Portal:Medicine
The Medicine Portal
Medicine is the science and practice of caring for patients, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness. Contemporary medicine applies biomedical sciences, biomedical research, genetics, and medical technology to diagnose, treat, and prevent injury and disease, typically through pharmaceuticals or surgery, but also through therapies as diverse as psychotherapy, external splints and traction, medical devices, biologics, and ionizing radiation, amongst others.
Medicine has been practiced since prehistoric times, and for most of this time it was an art (an area of creativity and skill), frequently having connections to the religious and philosophical beliefs of local culture. For example, a medicine man would apply herbs and say prayers for healing, or an ancient philosopher and physician would apply bloodletting according to the theories of humorism. In recent centuries, since the advent of modern science, most medicine has become a combination of art and science (both basic and applied, under the umbrella of medical science). For example, while stitching technique for sutures is an art learned through practice, knowledge of what happens at the cellular and molecular level in the tissues being stitched arises through science.
Prescientific forms of medicine, now known as traditional medicine or folk medicine, remain commonly used in the absence of scientific medicine and are thus called alternative medicine. Alternative treatments outside of scientific medicine with ethical, safety and efficacy concerns are termed quackery. (Full article...)
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Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O
2) at increased partial pressures. Severe cases can result in cell damage and death, with effects most often seen in the central nervous system, lungs, and eyes. Historically, the central nervous system condition was called the Paul Bert effect, and the pulmonary condition the Lorrain Smith effect, after the researchers who pioneered the discoveries and descriptions in the late 19th century. Oxygen toxicity is a concern for underwater divers, those on high concentrations of supplemental oxygen, and those undergoing hyperbaric oxygen therapy.
The result of breathing increased partial pressures of oxygen is hyperoxia, an excess of oxygen in body tissues. The body is affected in different ways depending on the type of exposure. Central nervous system toxicity is caused by short exposure to high partial pressures of oxygen at greater than atmospheric pressure. Pulmonary and ocular toxicity result from longer exposure to increased oxygen levels at normal pressure. Symptoms may include disorientation, breathing problems, and vision changes such as myopia. Prolonged exposure to above-normal oxygen partial pressures, or shorter exposures to very high partial pressures, can cause oxidative damage to cell membranes, collapse of the alveoli in the lungs, retinal detachment, and seizures. Oxygen toxicity is managed by reducing the exposure to increased oxygen levels. Studies show that, in the long term, a robust recovery from most types of oxygen toxicity is possible. (Full article...) -
A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood. The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells). The red blood cell indices, which indicate the average size and hemoglobin content of red blood cells, are also reported, and a white blood cell differential, which counts the different types of white blood cells, may be included.
The CBC is often carried out as part of a medical assessment and can be used to monitor health or diagnose diseases. The results are interpreted by comparing them to reference ranges, which vary with sex and age. Conditions like anemia and thrombocytopenia are defined by abnormal complete blood count results. The red blood cell indices can provide information about the cause of a person's anemia such as iron deficiency and vitamin B12 deficiency, and the results of the white blood cell differential can help to diagnose viral, bacterial and parasitic infections and blood disorders like leukemia. Not all results falling outside of the reference range require medical intervention. (Full article...) -
Major General Rupert Major Downes, CMG, KStJ, VD, FRACS (10 February 1885 – 5 March 1945) was an Australian soldier, surgeon and historian.
The son of British Army officer Major Francis Downes, Downes joined the Army as a trumpeter while he was still at school. He attended the University of Melbourne, graduating with his medical degrees in 1907 and a Doctor of Medicine degree in 1911. He was commissioned as a captain in the Australian Army Medical Corps in 1908, and after the outbreak of the First World War he joined the First Australian Imperial Force (AIF) in 1914 as its youngest lieutenant colonel. He served in the Gallipoli campaign, and was appointed Assistant Director of Medical Services (ADMS) of the newly formed Anzac Mounted Division in 1916, which he combined with the post of ADMS AIF Egypt. In 1917, he became Deputy Director of Medical Services (DDMS) of the Desert Mounted Corps. After the war, he wrote articles on medical aspects of the Sinai and Palestine campaign, and the section on the campaign for the Official History of Australia in the War of 1914–1918. (Full article...) -
Bacteria (/bækˈtɪəriə/ ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria inhabit the air, soil, water, acidic hot springs, radioactive waste, and the deep biosphere of Earth's crust. Bacteria play a vital role in many stages of the nutrient cycle by recycling nutrients and the fixation of nitrogen from the atmosphere. The nutrient cycle includes the decomposition of dead bodies; bacteria are responsible for the putrefaction stage in this process. In the biological communities surrounding hydrothermal vents and cold seeps, extremophile bacteria provide the nutrients needed to sustain life by converting dissolved compounds, such as hydrogen sulphide and methane, to energy. Bacteria also live in mutualistic, commensal and parasitic relationships with plants and animals. Most bacteria have not been characterised and there are many species that cannot be grown in the laboratory. The study of bacteria is known as bacteriology, a branch of microbiology.
Like all animals, humans carry vast numbers (approximately 1013 to 1014) of bacteria. Most are in the gut, though there are many on the skin. Most of the bacteria in and on the body are harmless or rendered so by the protective effects of the immune system, and many are beneficial, particularly the ones in the gut. However, several species of bacteria are pathogenic and cause infectious diseases, including cholera, syphilis, anthrax, leprosy, tuberculosis, tetanus and bubonic plague. The most common fatal bacterial diseases are respiratory infections. Antibiotics are used to treat bacterial infections and are also used in farming, making antibiotic resistance a growing problem. Bacteria are important in sewage treatment and the breakdown of oil spills, the production of cheese and yogurt through fermentation, the recovery of gold, palladium, copper and other metals in the mining sector (biomining, bioleaching), as well as in biotechnology, and the manufacture of antibiotics and other chemicals. (Full article...) -
Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space—the area between the arachnoid membrane and the pia mater surrounding the brain. Symptoms may include a severe headache of rapid onset, vomiting, decreased level of consciousness, fever, weakness, numbness, and sometimes seizures. Neck stiffness or neck pain are also relatively common. In about a quarter of people a small bleed with resolving symptoms occurs within a month of a larger bleed.
SAH may occur as a result of a head injury or spontaneously, usually from a ruptured cerebral aneurysm. Risk factors for spontaneous cases include high blood pressure, smoking, family history, alcoholism, and cocaine use. Generally, the diagnosis can be determined by a CT scan of the head if done within six hours of symptom onset. Occasionally, a lumbar puncture is also required. After confirmation further tests are usually performed to determine the underlying cause. (Full article...) -
Howard Walter Florey, Baron Florey, OM FRS FRCP (/ˈflɔːri/; 24 September 1898 – 21 February 1968) was an Australian pharmacologist and pathologist who shared the Nobel Prize in Physiology or Medicine in 1945 with Ernst Chain and Sir Alexander Fleming for his role in the development of penicillin.
Although Fleming received most of the credit for the discovery of penicillin, it was Florey and his team at the University of Oxford who made it into a useful and effective drug, ten years after Fleming had abandoned its development. They developed techniques for growing, purifying and manufacturing the drug, tested it for toxicity and efficacy on animals, and carried out the first clinical trials. In 1941, they used it to treat a police constable from Oxford. He started to recover, but subsequently died because Florey was unable, at that time, to make enough penicillin. Later trials in Britain, the United States and North Africa were highly successful. (Full article...) -
β-Hydroxy β-methylbutyric acid (HMB), otherwise known as its conjugate base, β-hydroxy β-methylbutyrate, is a naturally produced substance in humans that is used as a dietary supplement and as an ingredient in certain medical foods that are intended to promote wound healing and provide nutritional support for people with muscle wasting due to cancer or HIV/AIDS. In healthy adults, supplementation with HMB has been shown to increase exercise-induced gains in muscle size, muscle strength, and lean body mass, reduce skeletal muscle damage from exercise, improve aerobic exercise performance, and expedite recovery from exercise. Medical reviews and meta-analyses indicate that HMB supplementation also helps to preserve or increase lean body mass and muscle strength in individuals experiencing age-related muscle loss. HMB produces these effects in part by stimulating the production of proteins and inhibiting the breakdown of proteins in muscle tissue. No adverse effects from long-term use as a dietary supplement in adults have been found.
HMB is sold as a dietary supplement at a cost of about US$30–50 per month when taking 3 grams per day. HMB is also contained in several nutritional products, including certain formulations of Ensure and Juven. HMB is also present in insignificant quantities in certain foods, such as alfalfa, asparagus, avocados, cauliflower, grapefruit, and catfish. (Full article...) -
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, the term was adopted by the American Psychiatric Association for this symptom cluster under mood disorders in the 1980 version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III), and has become widely used since. The disorder causes the second-most years lived with disability, after lower back pain.
The diagnosis of major depressive disorder is based on the person's reported experiences, behavior reported by relatives or friends, and a mental status examination. There is no laboratory test for the disorder, but testing may be done to rule out physical conditions that can cause similar symptoms. The most common time of onset is in a person's 20s, with females affected about twice as often as males. The course of the disorder varies widely, from one episode lasting months to a lifelong disorder with recurrent major depressive episodes. (Full article...) -
Amphetamine (contracted from alpha-methylphenethylamine) is a central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, and obesity; it is also used to treat binge eating disorder in the form of its inactive prodrug lisdexamfetamine. Amphetamine was discovered as a chemical in 1887 by Lazăr Edeleanu, and then as a drug in the late 1920s. It exists as two enantiomers: levoamphetamine and dextroamphetamine. Amphetamine properly refers to a specific chemical, the racemic free base, which is equal parts of the two enantiomers in their pure amine forms. The term is frequently used informally to refer to any combination of the enantiomers, or to either of them alone. Historically, it has been used to treat nasal congestion and depression. Amphetamine is also used as an athletic performance enhancer and cognitive enhancer, and recreationally as an aphrodisiac and euphoriant. It is a prescription drug in many countries, and unauthorized possession and distribution of amphetamine are often tightly controlled due to the significant health risks associated with recreational use.
The first amphetamine pharmaceutical was Benzedrine, a brand which was used to treat a variety of conditions. Currently, pharmaceutical amphetamine is prescribed as racemic amphetamine, Adderall, dextroamphetamine, or the inactive prodrug lisdexamfetamine. Amphetamine increases monoamine and excitatory neurotransmission in the brain, with its most pronounced effects targeting the norepinephrine and dopamine neurotransmitter systems. (Full article...) -
Osteochondritis dissecans (OCD or OD) is a joint disorder primarily of the subchondral bone in which cracks form in the articular cartilage and the underlying subchondral bone. OCD usually causes pain during and after sports. In later stages of the disorder there will be swelling of the affected joint that catches and locks during movement. Physical examination in the early stages does only show pain as symptom, in later stages there could be an effusion, tenderness, and a crackling sound with joint movement.
OCD is caused by blood deprivation of the secondary physes around the bone core of the femoral condyle. This happens to the epiphyseal vessels under the influence of repetitive overloading of the joint during running and jumping sports. During growth such chondronecrotic areas grow into the subchondral bone. There it will show as bone defect area under articular cartilage. The bone will then possibly heal to the surrounding condylar bone in 50% of the cases. Or it will develop into a pseudarthrosis between condylar bone core and osteochondritis flake leaving the articular cartilage it supports prone to damage. The damage is executed by ongoing sport overload. The result is fragmentation (dissection) of both cartilage and bone, and the free movement of these bone and cartilage fragments within the joint space, causing pain, blockage and further damage. OCD has a typical anamnesis with pain during and after sports without any history of trauma. Some symptoms of late stages of osteochondritis dissecans are found with other diseases like rheumatoid disease of children and meniscal ruptures. The disease can be confirmed by X-rays, computed tomography (CT) or magnetic resonance imaging (MRI) scans. (Full article...) -
Oliver Wendell Holmes Sr. (/hoʊmz/; August 29, 1809 – October 7, 1894) was an American physician, poet, and polymath based in Boston. Grouped among the fireside poets, he was acclaimed by his peers as one of the best writers of the day. His most famous prose works are the "Breakfast-Table" series, which began with The Autocrat of the Breakfast-Table (1858). He was also an important medical reformer. In addition to his work as an author and poet, Holmes also served as a physician, professor, lecturer, inventor, and, although he never practiced it, he received formal training in law.
Born in Cambridge, Massachusetts, Holmes was educated at Phillips Academy and Harvard College. After graduating from Harvard in 1829, he briefly studied law before turning to the medical profession. He began writing poetry at an early age; one of his most famous works, "Old Ironsides", was published in 1830 and was influential in the eventual preservation of the USS Constitution. Following training at the prestigious medical schools of Paris, Holmes was granted his Doctor of Medicine degree from Harvard Medical School in 1836. He taught at Dartmouth Medical School before returning to teach at Harvard and, for a time, served as dean there. During his long professorship, he became an advocate for various medical reforms and notably posited the controversial idea that doctors were capable of carrying puerperal fever from patient to patient. Holmes retired from Harvard in 1882 and continued writing poetry, novels and essays until his death in 1894. (Full article...) -
Dengue fever is a mosquito-borne disease caused by dengue virus, prevalent in tropical and subtropical areas. It is frequently asymptomatic; if symptoms appear they typically begin 3 to 14 days after infection. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin itching and skin rash. Recovery generally takes two to seven days. In a small proportion of cases, the disease develops into severe dengue (previously known as dengue hemorrhagic fever or dengue shock syndrome) with bleeding, low levels of blood platelets, blood plasma leakage, and dangerously low blood pressure.
Dengue virus has four confirmed serotypes; infection with one type usually gives lifelong immunity to that type, but only short-term immunity to the others. Subsequent infection with a different type increases the risk of severe complications. The symptoms of dengue resemble many other diseases including malaria, influenza, and Zika. Blood tests are available to confirm the diagnosis including detecting viral RNA, or antibodies to the virus. (Full article...) -
Diffuse panbronchiolitis (DPB) is an inflammatory lung disease of unknown cause. It is a severe, progressive form of bronchiolitis, an inflammatory condition of the bronchioles (small air passages in the lungs). The term diffuse signifies that lesions appear throughout both lungs, while panbronchiolitis refers to inflammation found in all layers of the respiratory bronchioles (those involved in gas exchange). DPB causes severe inflammation and nodule-like lesions of terminal bronchioles, chronic sinusitis, and intense coughing with large amounts of sputum production.
The disease is believed to occur when there is susceptibility, or a lack of immune system resistance, to DPB-causing bacteria or viruses, caused by several genes that are found predominantly in individuals of East Asian descent. The highest incidence occurs among Japanese people, followed by Koreans. DPB occurs more often in males and usually begins around age 40. It was recognized as a distinct new disease in the early 1960s and was formally named diffuse panbronchiolitis in 1969. (Full article...) -
Taare Zameen Par (lit. 'Stars on Earth'), also known as Like Stars on Earth in English, is a 2007 Indian Hindi-language psychological drama film produced and directed by Aamir Khan. It stars Khan himself, with Darsheel Safary, Tanay Chheda, Vipin Sharma and Tisca Chopra. It explores the life and imagination of Ishaan (Safary), an artistically gifted 8-year-old boy whose poor academic performance leads his parents to send him to a boarding school, where a new art teacher Nikumbh (Khan) suspects that he is dyslexic and helps him to overcome his reading disorder.
Creative director and writer Amole Gupte developed the idea with his wife Deepa Bhatia, who was the film's editor. Shankar–Ehsaan–Loy composed the score, and Prasoon Joshi wrote the lyrics for many of the songs. Principal photography took place in Mumbai, and in Panchgani's New Era High School, where some of the school's students participated in the filming. (Full article...) -
Dracunculiasis, also called Guinea-worm disease, is a parasitic infection by the Guinea worm, Dracunculus medinensis. A person becomes infected by drinking water contaminated with Guinea-worm larvae that reside inside copepods (a type of small crustacean). Stomach acid digests the copepod and releases the Guinea worm, which penetrates the digestive tract and escapes into the body. Around a year later, the adult female migrates to an exit site – usually the lower leg – and induces an intensely painful blister on the skin. Eventually, the blister bursts, creating a painful wound from which the worm gradually emerges over several weeks. The wound remains painful throughout the worm's emergence, disabling the affected person for the three to ten weeks it takes the worm to emerge.
There is no medication to treat or prevent dracunculiasis. Instead, the mainstay of treatment is the careful wrapping of the emerging worm around a small stick or gauze to encourage and speed up its exit. Each day, a few more centimeters of the worm emerge, and the stick is turned to maintain gentle tension. Too much tension can break and kill the worm in the wound, causing severe pain and swelling. Dracunculiasis is a disease of extreme poverty, occurring in places with poor access to clean drinking water. Prevention efforts center on filtering drinking water to remove copepods, as well as public education campaigns to discourage people from soaking affected limbs in sources of drinking water, as this allows the worms to spread their larvae. (Full article...)
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Carbon monoxide poisoning typically occurs from breathing in carbon monoxide (CO) at excessive levels. Symptoms are often described as "flu-like" and commonly include headache, dizziness, weakness, vomiting, chest pain, and confusion. Large exposures can result in loss of consciousness, arrhythmias, seizures, or death. The classically described "cherry red skin" rarely occurs. Long-term complications may include chronic fatigue, trouble with memory, and movement problems.
CO is a colorless and odorless gas which is initially non-irritating. It is produced during incomplete burning of organic matter. This can occur from motor vehicles, heaters, or cooking equipment that run on carbon-based fuels. Carbon monoxide primarily causes adverse effects by combining with hemoglobin to form carboxyhemoglobin (symbol COHb or HbCO) preventing the blood from carrying oxygen and expelling carbon dioxide as carbaminohemoglobin. Additionally, many other hemoproteins such as myoglobin, Cytochrome P450, and mitochondrial cytochrome oxidase are affected, along with other metallic and non-metallic cellular targets. (Full article...) -
Prevalence of HIV/AIDS in adult (ages 15–49) populations (1999–2002)
As of 2012[update], approximately 1,100,000 people in Malawi are HIV-positive, which represents 10.8% of the country's population. Because the Malawian government was initially slow to respond to the epidemic under the leadership of Hastings Banda (1966–1994), the prevalence of HIV/AIDS increased drastically between 1985, when the disease was first identified in Malawi, and 1993, when HIV prevalence rates were estimated to be as high as 30% among pregnant women. The Malawian food crisis in 2002 resulted, at least in part, from a loss of agricultural productivity due to the prevalence of HIV/AIDS. Various degrees of government involvement under the leadership of Bakili Muluzi (1994–2004) and Bingu wa Mutharika (2004–2012) resulted in a gradual decline in HIV prevalence, and, in 2003, many people living in Malawi gained access to antiretroviral therapy. Condoms have become more widely available to the public through non-governmental organizations, and more Malawians are taking advantage of HIV testing services.
Due to several successful television and radio campaigns by the Malawian government and non-governmental organizations in Malawi, levels of awareness regarding HIV/AIDS are high among the general population. However, many men have adopted fatalistic attitudes in response to the epidemic, convincing themselves that death from AIDS is inevitable; on the other hand, some have implemented preventive techniques such as partner selection to try to reduce their risk of infection. Although many women have developed strategies to protect themselves from HIV, women are more likely to be HIV-positive than men in Malawi. The epidemic has affected sexual relationships between partners, who must cooperate to protect themselves from the disease. In addition, many teachers exclude HIV/AIDS from their curricula because they are uncomfortable discussing the topic or because they do not feel knowledgeable about the issue, and, therefore, many children are not exposed to information about HIV/AIDS at school. Finally, the epidemic has produced significant numbers of orphans in Malawi, leaving children vulnerable to abuse and exploitation. (Full article...) -
The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 subtype of the influenza A virus. The earliest documented case was March 1918 in the state of Kansas in the United States, with further cases recorded in France, Germany and the United Kingdom in April. Two years later, nearly a third of the global population, or an estimated 500 million people, had been infected in four successive waves. Estimates of deaths range from 17 million to 50 million, and possibly as high as 100 million, making it one of the deadliest pandemics in history.
The pandemic broke out near the end of World War I, when wartime censors in the belligerent countries suppressed bad news to maintain morale, but newspapers freely reported the outbreak in neutral Spain, creating a false impression of Spain as the epicenter and leading to the "Spanish flu" misnomer. Limited historical epidemiological data make the pandemic's geographic origin indeterminate, with competing hypotheses on the initial spread. (Full article...) -
Figure 1. Schematic diagram of the canonical (left), backdoor (middle), and 11-oxy backdoor (right) pathways of androgen biosynthesis
The androgen backdoor pathway is responsible for the synthesis of physiologically relevant androgens. This process starts with 21-carbon (C
21) steroids, also known as pregnanes, and involves a step called "5α-reduction". Notably, this pathway does not require the intermediate formation of testosterone, hence the term "bypassing testosterone" is sometimes used in medical literature as the hallmark feature of this way of androgen biosynthesis. This feature is a key distinction from the conventional, canonical androgenic pathway, which necessitates the involvement of testosterone as an intermediate in the synthesis of androgens. (Full article...) -
The Xinxiu bencao (Chinese: 新修本草; pinyin: Xīnxiū běncǎo), also known as the Tang bencao (Chinese: 唐本草; pinyin: Táng běncǎo), is a Chinese pharmacopoeia written in the Tang dynasty by a team of officials and physicians headed by editor-in-chief Su Jing. It borrowed heavily from—and expanded upon—the earlier Bencao jing jizhu by Tao Hongjing. The text was first published in 659; although it is now considered lost in China, at least one copy exists in Japan, where the text had been transmitted to in 721. (Full article...)
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Herpes simplex, often known simply as herpes, is a viral infection caused by the herpes simplex virus. Herpes infections are categorized by the area of the body that is infected. The two major types of herpes are oral herpes and genital herpes, though other forms also exist.
Oral herpes involves the face or mouth. It may result in small blisters in groups, often called cold sores or fever blisters, or may just cause a sore throat. Genital herpes involves the genitalia. It may have minimal symptoms or form blisters that break open and result in small ulcers. These typically heal over two to four weeks. Tingling or shooting pains may occur before the blisters appear. (Full article...) -
Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms itself. It is, however, a major risk factor for stroke, coronary artery disease, heart failure, atrial fibrillation, peripheral arterial disease, vision loss, chronic kidney disease, and dementia. Hypertension is a major cause of premature death worldwide.
High blood pressure is classified as primary (essential) hypertension or secondary hypertension. About 90–95% of cases are primary, defined as high blood pressure due to nonspecific lifestyle and genetic factors. Lifestyle factors that increase the risk include excess salt in the diet, excess body weight, smoking, physical inactivity and alcohol use. The remaining 5–10% of cases are categorized as secondary hypertension, defined as high blood pressure due to a clearly identifiable cause, such as chronic kidney disease, narrowing of the kidney arteries, an endocrine disorder, or the use of birth control pills. (Full article...) -
Trauma-sensitive yoga is yoga as exercise, adapted from 2002 onwards for work with individuals affected by psychological trauma. Its goal is to help trauma survivors to develop a greater sense of mind-body connection, to ease their physiological experiences of trauma, to gain a greater sense of ownership over their bodies, and to augment their overall well-being. However, a 2019 systematic review found that the studies to date were not sufficiently robustly designed to provide strong evidence of yoga's effectiveness as a therapy; it called for further research. (Full article...)
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SENSOR-Pesticides Logo
Sentinel Event Notification System for Occupational Risks (SENSOR)-Pesticides is a U.S. state-based surveillance program that monitors pesticide-related illness and injury. It is administered by the National Institute for Occupational Safety and Health (NIOSH), twelve state health agencies participate. NIOSH provides technical support to all participating states. It also provides funding to some states, in conjunction with the US Environmental Protection Agency (US EPA).
Pesticide-related illness is a significant occupational health issue, but it is believed to be underreported. Because of this, NIOSH proposed the SENSOR program to track pesticide poisonings. Because workers in many industries are at risk for pesticide exposure, and public concern exists regarding the use of and exposure to pesticides, government and regulatory authorities experience pressure to monitor health effects associated with them. SENSOR-Pesticides state partners collect case data from several different sources using a standard case definition and set of variables. This information is then forwarded to the program headquarters at NIOSH where it is compiled and put into a national database. (Full article...) -
Lucinda L. Combs-Stritmatter (October 10, 1849 – April 23, 1919) was an American physician who was the first female medical missionary to provide medical care in China. She is credited with establishing the first women's hospital in Beijing. Combs was a pioneer in women's medical care while serving the Women's Foreign Ministry Society's North China Mission for seven years. (Full article...)
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Iron corset in the Musee de Cluny. Drawing made in 1893 by Saint-Elme Gautier.
Metal corsets (also known as iron corsets) are a type of historical corset or bodice made entirely out of metal, usually iron or steel. The metal corset was popularly claimed to have been introduced to France by Catherine de' Medici in the 16th century, although this is now considered a myth. The idea that such garments were worn for fashionable purposes is debatable, with fashion historians now regarding such claims sceptically. Many of the original metal bodices that have survived are now believed to have been intended for medical purposes as orthopaedic support garments and back braces. Such garments were described by the French army surgeon Ambroise Paré in the 16th century as a remedy for the "crookednesse of the Bodie."
Some of the more extreme examples of metal corsets that have survived are now generally thought to be later reproductions designed to appeal to fetishists, rather than garments intended for fashionable wear. (Full article...) -
Health workers protest near Salmaniya Medical Complex following reports that paramedic crews and doctors were attacked in the 17 February raid at Pearl Roundabout.
The Bahrain health worker trials were a series of legal cases in which forty-eight doctors, nurses, and dentists faced charges for their actions during the Bahraini uprising of 2011. In September 2011, twenty of the health workers were convicted by a military court of felonies including "stockpiling weapons" and "plotting to overthrow the government". The remaining twenty-eight were charged with misdemeanors and tried separately. The following month, the felony sentences were overturned, and it was announced that the defendants would be retried by a civilian court. Retrials began in March 2012, but were postponed until June 14. Convictions against nine of the defendants were quashed and reduced against another nine. The Court of Cassation upheld the sentences against the remaining nine on 1 October.
The case drew international attention and criticism, with organizations including the United Nations, the World Medical Association, Médecins Sans Frontières, the International Council of Nurses, Amnesty International, and Human Rights Watch expressing their concern over the health workers' military trials and sentences. An independent commission organized by the King of Bahrain concluded in November 2011 that many of the detained health workers had been subject to torture and abuse while in police detention. (Full article...) -
Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most infections show no symptoms, in which case it is known as latent tuberculosis. Around 10% of latent infections progress to active disease that, if left untreated, kill about half of those affected. Typical symptoms of active TB are chronic cough with blood-containing mucus, fever, night sweats, and weight loss. Infection of other organs can cause a wide range of symptoms.
Tuberculosis is spread from one person to the next through the air when people who have active TB in their lungs cough, spit, speak, or sneeze. People with latent TB do not spread the disease. Active infection occurs more often in people with HIV/AIDS and in those who smoke. Diagnosis of active TB is based on chest X-rays, as well as microscopic examination and culture of bodily fluids. Diagnosis of latent TB relies on the tuberculin skin test (TST) or blood tests. (Full article...) -
Tobias Watkins (December 12, 1780 – November 14, 1855) was an American physician, editor, writer, educator, and political appointee in the Baltimore-Washington, D.C., area. He played leading roles in early American literary institutions such as The Portico and the Delphian Club and in early American medical institutions such as The Baltimore Medical and Physical Recorder and The Maryland State Medical Society. He served as an assistant surgeon general in the United States Army, secretary to the Spanish Commission following the Adams–Onís Treaty, Fourth Auditor of the United States Treasury, and an education leader in the Washington, D.C., area. The Supreme Court decisions connected to his high-profile conviction for embezzlement are part of the history of original habeas as it relates to federal review of federal custody in the US. (Full article...)
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Unrest is a 2017 documentary film produced and directed by Jennifer Brea. The film tells the story of how Jennifer and her new husband faced an illness that struck Jennifer just before they married. Initially dismissed by doctors, she starts filming herself to document her illness and connects with others who are home- or bedbound with myalgic encephalomyelitis/chronic fatigue syndrome (ME).
The documentary was produced over a four-year period, in which Brea was mostly bedbound. The documentary shows Brea's route to diagnosis and the world of other people homebound with the illness. Unrest was shortlisted for the Academy Award for Best Documentary Feature Film, and won several film festival awards, including the jury award for editing at the Sundance Film Festival. (Full article...)
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Did you know –
- ...Peyer's patches are an example of gut-associated lymphoid tissue?
- ...the brain itself is not sensitive to pain, because it lacks pain-sensitive nerve fibers? Several areas of the head can hurt, including a network of nerves which extends over the scalp and certain nerves in the face, mouth, and throat.
- ...that irritable bowel syndrome (IBS) may sometimes have an acute onset and develop after an infectious illness, and that this "Post infectious IBS" (IBS-PI) is drawing much clinical investigation?
General images –
The following are images from various Medicine-related articles on Wikipedia.
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AMA Code of Medical Ethics (from Medical ethics) -
Depiction of smallpox in Franciscan Bernardino de Sahagún's history of the conquest of Mexico, Book XII of the Florentine Codex, from the defeated Aztecs' point of view (from History of medicine) -
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Guy's Hospital in 1820 (from History of medicine) -
Patient, Surrey County Lunatic Asylum, c. 1850–58. The asylum population in England and Wales rose from 1,027 in 1827 to 74,004 in 1900. (from History of medicine) -
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COVID-19 swab testing in Rwanda (2021). (from History of medicine) -
Hippocrates (c. 460–370 BCE). Known as the "father of medicine". (from History of medicine) -
Medicine during the First World War - Medical Transport. (from History of medicine) -
"More Doctors Smoke Camels than Any Other Cigarette" advertisement for Camel cigarettes in the 1940s (from Medical ethics) -
Mandrake (written 'ΜΑΝΔΡΑΓΟΡΑ' in Greek capitals). Naples Dioscurides, 7th century (from History of medicine) -
Jackson Memorial Hospital in Miami, the primary teaching hospital of the University of Miami's Miller School of Medicine and the largest hospital in the United States with 1,547 beds (from Health care) -
An American billing clerk preparing a detailed invoice. (1992) (from Medical billing) -
Health Expenditure per capita (in PPP-adjusted US$) among several OECD member nations. Data source: OECD's iLibrary (from Health insurance) -
Total healthcare cost per person. Public and private spending. US dollars PPP. For example: $6,319 for Canada in 2022. $12,555 for the US in 2022. (from Health care) -
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American combat surgery during the Pacific War, 1943 (from History of medicine) -
Botánicas such as this one in Jamaica Plain, Boston, cater to the Latino community and sell folk medicine alongside statues of saints, candles decorated with prayers, lucky bamboo, and other items. (from Traditional medicine) -
Zhang Zhongjing – a Chinese pharmacologist, physician, inventor, and writer of the Eastern Han dynasty. (from History of medicine) -
Life Expectancy of the total population at birth among several OECD member nations. Data source: OECD's iLibrary (from Health insurance) -
Most countries have seen a tremendous increase in life expectancy since 1945. However, in southern Africa, the HIV epidemic beginning around 1990 has eroded national health. (from History of medicine) -
Magical stela or cippus of Horus inscribed with healing encantations (c. 332 to 280 BCE). (from History of medicine) -
Yarrow, a medicinal plant found in human-occupied caves in the Upper Palaeolithic period. (from History of medicine) -
The plinthios brochos as described by Greek physician Heraklas, a sling for binding a fractured jaw. These writings were preserved in one of Oribasius' collections. (from History of medicine) -
Smallpox vaccination in Niger, 1969. A decade later, this was the first infectious disease to be eradicated. (from History of medicine) -
Ethical prayer for medical wisdom by Dr Edmond Fernandes (from Medical ethics) -
The Edwin Smith Surgical Papyrus, written in the 17th century BCE, contains the earliest recorded reference to the brain. New York Academy of Medicine. (from History of medicine) -
A 12th-century manuscript of the Hippocratic Oath in Greek, one of the most famous aspects of classical medicine that carried into later eras (from History of medicine) -
Statue of Robert Koch, father of medical bacteriology, at Robert-Koch-Platz (Robert Koch square) in Berlin (from History of medicine) -
Health spending by country. Percent of GDP (Gross domestic product). For example: 11.2% for Canada in 2022. 16.6% for the United States in 2022. (from Health care) -
Curandera performing a limpieza in Cuenca, Ecuador (from Traditional medicine) -
A cuneiform terracotta tablet describing a medicinal recipe for poisoning (c. 18th century BCE). Discovered in Nippur, Iraq. -
Taoist symbol of Yin and Yang (from Medical ethics) -
healthcare expenditure in Japan by age group (from Health insurance) -
Charite in Berlin (from History of medicine) -
National Hospital for Neurology and Neurosurgery in London, United Kingdom is a specialist neurological hospital. (from Health care) -
A Ukrainian monument to the HIV pandemic. (from History of medicine) -
A cochlear implant is a common kind of neural prosthesis, a device replacing part of the human nervous system. (from History of medicine) -
Mexico City epidemic of 1737, with elites calling on the Virgin of Guadalupe (from History of medicine) -
Infographic showing how healthcare data flows within the billing process (from Medical billing) -
18th-century medical remedies collected by a British Gentry family (from History of medicine) -
Primary care may be provided in community health centers. (from Health care) -
Sketch of Muslim physician Muhammad ibn Zakariya al-Razi (from History of medicine) -
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Emil Kraepelin (1856–1926), the founder of modern scientific psychiatry, psychopharmacology and psychiatric genetics. (from History of medicine) -
"Diagram of the causes of mortality in the army in the East" by Florence Nightingale. (from History of medicine) -
Life expectancy vs healthcare spending of rich OECD countries. US average of $10,447 in 2018. (from Health care) -
Seven named physicians and botanists of the Classical world from Vienna Dioscurides. Clockwise from top center: Galen, Dioscorides, Nicander, Rufus of Ephesus, Andreas of Carystus, Apollonius Mus or of Pergamon, Crateuas (from History of medicine) -
Sometimes traditional medicines include parts of endangered species, such as the slow loris in Southeast Asia. (from Traditional medicine) -
The numbers of Americans lacking health insurance and the uninsured rate from 1987 to 2008 (from Health insurance) -
![Image 51Global concentrations of health care resources, as depicted by the number of physicians per 10,000 individuals, by country. Data is sourced from a World Health Statistics 2010, a WHO report.[needs update] (from Health care)](//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Global_physician_density_map_-_WHO_2010.png/120px-Global_physician_density_map_-_WHO_2010.png)
Global concentrations of health care resources, as depicted by the number of physicians per 10,000 individuals, by country. Data is sourced from a World Health Statistics 2010, a WHO report.[needs update] (from Health care) -
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A doctor checks a patient's pulse in Meiji-era Japan. (from History of medicine) -
The emergency room is often a frontline venue for the delivery of primary medical care. (from Health care) -
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Medical personnel place sterilized covers on the arms of the daVinci Xi surgical system, a minimally-invasive robotic surgery system, at the William Beaumont Army Medical Center. (from History of medicine) -
The Quaker-run York Retreat, founded in 1796, gained international prominence as a centre for moral treatment and a model of asylum reform following the publication of Samuel Tuke's Description of the Retreat (1813). (from History of medicine) -
A Neo-Assyrian cuneiform tablet fragment describing medical text (c. 9th to 7th century BCE). (from History of medicine) -
Galen (129–216 CE), known for his wide insights into anatomy. (from History of medicine)
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![Image 51Global concentrations of health care resources, as depicted by the number of physicians per 10,000 individuals, by country. Data is sourced from a World Health Statistics 2010, a WHO report.[needs update] (from Health care)](/wiki/File:Global_physician_density_map_-_WHO_2010.png)
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