| Alexander the Great Alexander the Great ( or , Mégas Aléxandros; 356 BC – 323 BC), also known as Alexander III of Macedon () was an ancient Greek King (basileus) of Macedon (336–323 BC). He was one of the most successful military commanders of all time and is presumed undefeated in battle. By the time of his death, he had conquered the Achaemenid Persian Empire, adding it to Macedon's European territories; according to some modern writers, this was most of the world as known to the ancient Greeks. Alexander_the_Great
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| Antisemitism/Archive 20 Talk:Antisemitism/Archive_20
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| Aspirin Aspirin (USAN), also known as acetylsalicylic acid (, abbreviated ASA), is a salicylate drug, often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication.Aspirin also has an antiplatelet, or "anti-coagulate", effect by inhibiting thromboxane prostaglandins, which under normal circumstances bind platelet molecules together to repair damaged blood vessels. Aspirin
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| Alternative medicine The term alternative medicine, as used in the modern Western world, encompasses any healing practice "that does not fall within the realm of conventional medicine". Commonly cited examples include naturopathy, chiropractic, herbalism, traditional Chinese medicine, Unani, Ayurveda, meditation, yoga, biofeedback, hypnosis, homeopathy, acupuncture, and diet-based therapies, in addition to a range of other practices. Alternative_medicine
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| Antibiotic resistance Antibiotic resistance is the ability of a microorganism to withstand the effects of antibiotics. It is a specific type of drug resistance. Antibiotic resistance evolves via natural selection acting upon random mutation, but it can also be engineered by applying an evolutionary stress on a population. Antibiotic_resistance
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| Arthur Conan Doyle Talk:Arthur_Conan_Doyle
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| Aromatherapy Aromatherapy is a form of alternative medicine that uses volatile liquid plant materials, known as essential oils (EOs), and other aromatic compounds from plants for the purpose of affecting a person's mood or health. Scientific evidence is growing and preliminary but encouraging for a number of health issues. Aromatherapy
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| Antipsychotic Antipsychotics (also called neuroleptics) are a group of psychoactive drugs commonly but not exclusively used to treat psychosis, which is typified by schizophrenia. Over time a wide range of antipsychotics have been developed. A first generation of antipsychotics, known as typical antipsychotics, was discovered in the 1950s. Antipsychotic
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| Amygdalin Amygdalin (from Greek:'20H27NO11, is a glycoside initially isolated from the seeds of the tree Prunus dulcis, also known as bitter almonds, by Pierre-Jean Robiquet Liebig and Wöhler in 1830, and others. Several other related species in the genus of Prunus, including apricot (Prunus armeniaca) and black cherry (Prunus serotina), also contain amygdalin. It was promoted as a cancer cure by Ernst T. Krebs under the name "Vitamin B17", but studies have found it to be ineffective. Amygdalin
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| Beer Beer is the world's oldest and most widely consumed alcoholic beverage and the third most popular drink overall after water and tea. It is produced by the brewing and fermentation of starches, mainly derived from cereal grains—the most common of which is malted barley, although wheat, maize (corn), and rice are widely used. Most beer is flavoured with hops, which add bitterness and act as a natural preservative, though other flavourings such as herbs or fruit may occasionally be included. Beer
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| Blindness Blindness is the condition of lacking visual perception due to physiological or neurological factors.Various scales have been developed to describe the extent of vision loss and define "blindness." Total blindness is the complete lack of form and visual light perception and is clinically recorded as "NLP," an abbreviation for "no light perception." Blindness
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| Herman Boerhaave Herman Boerhaave (Voorhout, December 31, 1668 Leiden, September 23, 1738) was a Dutch botanist, humanist and physician of European fame. He is regarded as the founder of clinical teaching and of the modern academic hospital. His main achievement was to demonstrate the relation of symptoms to lesions. Herman_Boerhaave
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| Bipolar disorder Bipolar disorder, also known as manic depression, manic depressive disorder or bipolar affective disorder, is a psychiatric diagnosis that describes a category of mood disorders defined by the presence of one or more episodes of abnormally elevated mood clinically referred to as mania or, if milder, hypomania. Bipolar_disorder
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| Beta-lactamase Beta-lactamases are enzymes () produced by some bacteria and are responsible for their resistance to beta-lactam antibiotics like penicillins, cephalosporins (are relatively resistant to beta-lactamase), cephamycins, and carbapenems (ertapenem). These antibiotics have a common element in their molecular structurebeta-lactam. The lactamase enzyme breaks that ring open, deactivating the molecule's antibacterial properties. Beta-lactamase
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| Condom A condom is a barrier device most commonly used during sexual intercourse to reduce the likelihood of pregnancy and spreading sexually transmitted diseases (STDs—such as gonorrhea, syphilis, and HIV). It is put on a man's erect penis and physically blocks ejaculated semen from entering the body of a sexual partner. Condom
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| People's Republic of China People's_Republic_of_China
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| Coca-Cola Coca-Cola is a carbonated soft drink sold in stores, restaurants and vending machines worldwide. The Coca-Cola Company claims that the beverage is sold in more than 200 countries. It is produced by The Coca-Cola Company in Atlanta, Georgia, and is often referred to simply as Coke or (in European and American countries) as cola, pop, or in some parts of the U.S., Coca-Cola
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| Caffeine Caffeine
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| Carotene carotene is used for several related substances having the formula C40Hx, which are synthesized by plants but cannot be made by animals. Carotene is an orange photosynthetic pigment important for photosynthesis. Carotenes are responsible for the orange colour of the carrot for which it is named, and many other fruits and vegetables (for example, sweet potatoes and orange cantaloupe melon). Carotene
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| Chagas disease Chagas disease (, , mal de Chagas in both languages; also called American trypanosomiasis) is a tropical parasitic disease caused by the flagellate protozoan Trypanosoma cruzi. T. cruzi is commonly transmitted to humans and other mammals by an insect vector, the blood-sucking assassin bugs of the subfamily Triatominae (family Reduviidae) most commonly species belonging to the Triatoma, Rhodnius, and Panstrongylus genera. Chagas_disease
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| Cholera Cholera, sometimes known as Asiatic or epidemic cholera, is an infectious gastroenteritis caused by enterotoxin-producing strains of the bacterium Vibrio cholerae. Transmission to humans occurs through eating food or drinking water contaminated with cholera vibrios from other cholera patients. The major reservoir for cholera was long assumed to be humans themselves, but considerable evidence exists that aquatic environments can serve as reservoirs of the bacteria. Cholera
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| Major depressive disorder For other depressive disorders, see Types of psychological depression.Major depressive disorder (also known as clinical depression, major depression, unipolar depression, or unipolar disorder) is a mental disorder characterized by an all-encompassing low mood accompanied by low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Major_depressive_disorder
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| Dieting Dieting is the practice of ingesting food in a regulated fashion to achieve or maintain a controlled weight. In most cases the goal is weight loss in those who are overweight or obese, but some athletes aspire to gain weight (usually in the form of muscle) and diets can also be used to maintain a stable body weight.Diets to promote weight loss are generally divided into four categories Dieting
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| Dehydroepiandrosterone Dehydroepiandrosterone (DHEA) is a multi-functional steroid that has been implicated in a broad range of biological effects in humans and other mammals. Together with its sulfate ester (DHEA-S), it is the most abundant steroid in humans. DHEA is produced by adrenal glands, but also sythesized de novo in the brain. Dehydroepiandrosterone
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| Free-running sleep Free-running sleep experiments can involve any organism which sleeps. Freerunning sleep is sleep which is not adjusted, entrained, to the 24-hour cycle in nature nor to any artificial cycle. Such experiments are used in the study of circadian and other rhythms in biology. Free-running_sleep
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| Female genital cutting Female genital cutting (FGC), also known as female genital mutilation (FGM), female circumcision or female genital mutilation/cutting (FGM/C), is defined by the WHO as "all procedures involving partial or total removal of the external female genitalia or other injury to the female genital organs whether for cultural, religious or other non-therapeutic reasons." Female_genital_cutting
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| George Frideric Handel George Frideric Handel (23 February 1685 – 14 April 1759) was a German-English Baroque composer, who is famous for his operas, oratorios, and concerti grossi. His life and music may justly be described as "cosmopolitan"Georg Friedrich Händel () in Halle in the Duchy of Magdeburg, he settled in England in 1712, becoming a naturalized subject of the British crown on 22 January 1727. George_Frideric_Handel
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| Gene therapy Gene therapy is the insertion of genes into an individual's cells and tissues to treat a disease, such as a hereditary disease in which a deleterious mutant allele is replaced with a functional one. Although the technology is still in its infancy, it has been used with some success. Antisense therapy is not strictly a form of gene therapy, but is a genetically-mediated therapy and is often considered together with other methods. Gene_therapy
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| Hypoglycemia Hypoglycemia or hypoglycaemia is the medical term for a pathologic state produced by a lower than normal level of blood glucose. The term hypoglycemia literally means "under-sweet blood" (Gr. hypo-, glykys, haima).Hypoglycemia can produce a variety of symptoms and effects but the principal problems arise from an inadequate supply of glucose as fuel to the brain, resulting in impairment of function (neuroglycopenia). Hypoglycemia
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| High-density lipoprotein High-density lipoprotein (HDL) is one of the five major groups of lipoproteins (chylomicrons, VLDL, IDL, LDL, HDL) which enable lipids like cholesterol and triglycerides to be transported within the water based blood stream. In healthy individuals, about thirty percent of blood cholesterol is carried by HDL .It is hypothesized that HDL can remove cholesterol from atheroma within arteries and transport it back to the liver for excretion or re-utilization—which is the main reason why HDL-bound cholesterol is sometimes called "good cholesterol", or HDL-C. High-density_lipoprotein
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| Haemophilia Haemophilia (also spelt hemophilia in North America, from the Greek haima αἷμα "blood" and philia φιλος "friend") is a group of hereditary genetic disorders that impair the body's ability to control blood clotting or coagulation, which is used to stop bleeding when a blood vessel is broken. Haemophilia
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| HIV Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that can lead to acquired immunodeficiency syndrome (AIDS), a condition in humans in which the immune system begins to fail, leading to life-threatening opportunistic infections. Previous names for the virus include human T-lymphotropic virus-III (HTLV-III), lymphadenopathy-associated virus (LAV), and AIDS-associated retrovirus (ARV). HIV
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| Intelligent design Intelligent design is the assertion that "certain features of the universe and of living things are best explained by an intelligent cause, not an undirected process such as natural selection." It is a modern form of the traditional teleological argument for the existence of God, but one which avoids specifying the nature or identity of the designer. Intelligent_design
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| Lavender Lavender
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| Lead Lead () is a main-group element with symbol Pb () and atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish-white color when freshly cut, but tarnishes to a dull grayish color when exposed to air. Lead
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| Lung cancer Lung cancer is a disease of uncontrolled cell growth in tissues of the lung. This growth may lead to metastasis, which is the invasion of adjacent tissue and infiltration beyond the lungs. The vast majority of primary lung cancers are carcinomas of the lung, derived from epithelial cells. Lung_cancer
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| Malaria Malaria is a vector-borne infectious disease caused by protozoan parasites. It is widespread in tropical and subtropical regions, including parts of the Americas, Asia, and Africa. Each year, there are approximately 350–500 million cases of malaria, killing between one and three million people, the majority of whom are young children in Sub-Saharan Africa. Malaria
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| Oxygen Oxygen (, from the Greek roots ὀξύς (oxys) (acid, literally "sharp," from the taste of acids) and -γενής (-genēs) (producer, literally begetter) is the element with atomic number 8 and represented by the symbol O. It is a member of the chalcogen group on the periodic table, and is a highly reactive nonmetallic period 2 element that readily forms compounds (notably oxides) with almost all other elements. Oxygen
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| Oncogene oncogene is a gene that, when mutated or expressed at high levels, helps turn a normal cell into a cancer cell. Many cells normally undergo a programmed form of death (apoptosis). Activated oncogenes can cause those cells to survive and proliferate instead. Oncogene
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| Ozone Ozone or trioxygen (O3) is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O2. Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface. It is present in low concentrations throughout the Earth's atmosphere. It has many industrial and consumer applications. Ozone
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| Oxycodone Oxycodone is an opioid analgesic medication synthesized from opium-derived thebaine. It was developed in 1916 in Germany, as one of several new semi-synthetic opioids with several benefits over the older traditional opiates and opioids; morphine, diacetylmorphine (heroin) and codeine.Currently it is best known as the main active ingredient in a number of oral medications commonly prescribed for the relief of moderate to severe pain. Oxycodone
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| Purine Purine (1) is a heterocyclic aromatic organic compound, consisting of a pyrimidine ring fused to an imidazole ring. Purines, including substituted purines and their tautomers, are the most widely distributed kind of nitrogen-containing heterocycle in nature.Purines and pyrimidines make up the two groups of nitrogenous bases, including the two groups of nucleotide bases. Two of the four deoxyribonucleotides and two of the four ribonucleotides, the respective building blocks of DNA and RNA, are purines. Purine
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| Peter Duesberg Talk:Peter_Duesberg
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| Systemic scleroderma Systemic scleroderma is a systemic connective tissue disease.It is also known as "systemic sclerosis". Systemic_scleroderma
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| Schizophrenia Schizophrenia
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| Serotonin Serotonin () (5-hydroxytryptamine, or 5-HT) is a monoamine neurotransmitter. It is found extensively in the gastrointestinal tract of animals, and about 80 to 90 percent of the human body's total serotonin is found in the enterochromaffin cells in the gut where it is used to regulate intestinal movements. The rest is synthesized in serotonergic neurons in the central nervous system (CNS) where it has various functions, like control of appetite, mood and anger. Serotonin
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| Syphilis Syphilis is a sexually transmitted disease caused by the spirochetal bacterium Treponema pallidum subspecies pallidum. The route of transmission of syphilis is almost always through sexual contact, although there are examples of congenital syphilis via transmission from mother to child in utero.The signs and symptoms of syphilis are numerous; before the advent of serological testing, precise diagnosis was very difficult. Syphilis
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| Selective serotonin reuptake inhibitor Selective serotonin reuptake inhibitors or serotonin-specific reuptake inhibitor (SSRIs) are a class of compounds typically used as antidepressants in the treatment of depression, anxiety disorders, and some personality disorders. They are also typically effective and used in treating premature ejaculation problems as well as some cases of insomnia. Selective_serotonin_reuptake_inhibitor
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| Tuberculosis Tuberculosis (abbreviated as TB for tubercle bacillus or Tuberculosis) is a common and often deadly infectious disease caused by mycobacteria, in humans mainly Mycobacterium tuberculosis . Tuberculosis usually attacks the lungs (as pulmonary TB) but can also affect the central nervous system, the lymphatic system, the circulatory system, the genitourinary system, the gastrointestinal system, bones, joints, and even the skin. Tuberculosis
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| Tobacco Tobacco is an agricultural product processed from the fresh leaves of plants in the genus Nicotiana. It can be consumed, used as an organic pesticide, and in the form of nicotine tartrate it is used in some medicines. In consumption it most commonly appears in the forms of smoking, chewing, snuffing, or dipping tobacco, or snus. Tobacco
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