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English Wikipedia references for Cdc.gov 1-50 of 2867
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| Autism Autism is a brain development disorder characterized by impaired social interaction and communication, and by restricted and repetitive behavior. These signs all begin before a child is three years old. Autism | |
| Agriculture Agriculture refers to the production of food and goods through farming and forestry. Agriculture was the key development that led to the rise of civilization, with the husbandry of domesticated animals and plants (i.e. crops) creating food surpluses that enabled the development of more densely populated and stratified societies. The study of agriculture is known as agricultural science (the related practice of gardening is studied in horticulture). Agriculture | |
| Asphalt Asphalt () is a sticky, black and highly viscous liquid or semi-solid that is present in most crude petroleums and in some natural deposits sometimes termed asphaltum. It is most commonly modelled as a colloid, with asphaltenes as the dispersed phase and maltenes as the continuous phase (though there is some disagreement amongst chemists regarding its structure). Asphalt | |
| Abortion An abortion is the termination of a pregnancy by the removal or expulsion from the uterus of a fetus/embryo, resulting in or caused by its death. An abortion can occur spontaneously due to complications during pregnancy or can be induced, in humans and other species. Abortion | |
| 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 | |
| Arsenic Arsenic (; also Arsenic | |
| Antimony Antimony ( (UK) or Antimony | |
| Americium Americium () is a synthetic element that has the symbol Am and atomic number 95. A radioactive metallic element, americium is an actinide that was obtained in 1944 by Glenn T. Seaborg who was bombarding plutonium with neutrons and was the fourth transuranic element to be discovered. It was named for the Americas, by analogy with europium. Americium is widely used in commercial ionization-chamber smoke detectors as well as in neutron sources and industrial gauges. Americium | |
| The Plague The Plague (Fr. La Peste) is a novel by Albert Camus, published in 1947, that tells the story of medical workers finding solidarity in their labour as the Algerian city of Oran is swept by a plague epidemic. It asks a number of questions relating to the nature of destiny and the human condition. The characters in the book, ranging from doctors to vacationers to fugitives, all help to show the effects the plague has on a populace. The_Plague | |
| Aromatic hydrocarbon An aromatic hydrocarbon (abbreviated as AH) or arene is a hydrocarbon, of which the molecular structure incorporates one or more planar sets of six carbon atoms that are connected by delocalised electrons numbering the same as if they consisted of alternating single and double covalent bonds. Aromatic_hydrocarbon | |
| Ammonia Ammonia is a compound of nitrogen and hydrogen with the formula NH3. It is normally encountered as a gas with a characteristic pungent odor. Ammonia contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to foodstuffs and fertilizers. Ammonia | |
| 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 | |
| Antibiotic In common usage, an antibiotic is a substance or compound (also called chemotherapeutic agent) that kills or inhibits the growth of bacteria.Antibiotics belong to the group of antimicrobial compounds used to treat infections caused by micro-organisms, including fungi and protozoa. Antibiotic | |
| 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 | |
| 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 | |
| Arkansas Arkansas | |
| African American Black Americans or African Americans are citizens or residents of the United States who have origins in any of the black populations of Africa. In the United States, the terms are generally used for Americans with at least partial Sub-Saharan African ancestry. African_American | |
| Antidepressant An antidepressant is a psychiatric medication used to alleviate mood disorders, such as major depression and dysthymia. Drugs including the monoamine oxidase inhibitors (MAOIs), tricyclic antidepressants (TCAs), tetracyclic antidepressants (TeCAs), selective serotonin reuptake inhibitors (SSRIs), and serotonin-norepinephrine reuptake inhibitors (SNRIs) are most commonly associated with the term. Antidepressant | |
| Anal sex Anal sex most often refers to the sex act involving insertion of the penis into the anus. The term anal sex can also sometimes include other sexual acts involving the anus, including but not limited to anilingus and fingering.It is a form of sexual behavior considered to be comparatively high in risk, due to the vulnerability of the tissues and the concentration of infectious microorganisms not found elsewhere on the body. Anal_sex | |
| Alcoholism Alcoholism is a term with multiple and sometimes conflicting definitions.In common and historic usage, alcoholism refers to any condition that results in the continued consumption of alcoholic beverages despite health problems and negative social consequences. Alcoholism | |
| Atlanta Atlanta | |
| Beryllium Beryllium () is the chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is found naturally only combined with other elements in minerals. Notable gemstones which contain beryllium include Beryl (aquamarines and emeralds) and Chrysoberyl (Alexandrite and Cat's eye). Beryllium | |
| Barium Barium () is a chemical element. It has the symbol Ba, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal. It is never found in nature in its pure form due to its reactivity with air. Its oxide is historically known as baryta but it reacts with water and carbon dioxide and is not found as a mineral. The most common naturally occurring minerals are the very insoluble barium sulfate, BaSO4 (barite), and barium carbonate, BaCO3 (witherite). Benitoite is a rare gem containing barium. Barium | |
| Biological warfare Biological warfare (BW), also known as germ warfare, is the use of pathogens (bacteria, viruses, or other disease-causing agents) as biological weapons (or bioweapons). Using nonliving toxic products, even if produced by living organisms (e.g. toxins), is considered chemical warfare under the provisions of the Chemical Weapons Convention. Biological_warfare | |
| Bioterrorism Bioterrorism is terrorism by intentional release or dissemination of biological agents (bacteria, viruses, or toxins); these may be in a naturally-occurring or in a human-modified form. Bioterrorism | |
| Bear Bears are mammals of the family Ursidae. Bears are classified as caniforms, or doglike carnivorans, with the pinnipeds being their closest living relatives. Although there are only eight living species of bear, they are widespread, appearing in a wide variety of habitats throughout the Northern Hemisphere and partially in the Southern Hemisphere. That which pertains to bears is called ursine. Bears are found in the continents of North America, South America, Europe, and Asia. Bear | |
| Black Death Black Death was one of the deadliest pandemics in human history, peaking in Europe between 1348 and 1350. It is widely thought to have been caused by a bacterium named Yersinia pestis (Plague). Black_Death | |
| Body substance isolation Body substance isolation is a practice of isolating all body substances (blood, urine, feces, tears, etc.) of individuals undergoing medical treatment, particularly emergency medical treatment of those who might be infected with illnessess such as HIV, or hepatitis so as to reduce as much as possible the chances of transmitting these illnesses. Body_substance_isolation | |
| Bacterial vaginosis Bacterial vaginosis (BV) is the most common cause of vaginal infection. For grammatical reasons, some people prefer to call it vaginal bacteriosis. It is not generally considered to be a sexually transmitted infection (see causes below). BV is caused by an imbalance of naturally occurring bacterial flora, and should not be confused with yeast infection (candidiasis), or infection with Trichomonas vaginalis (trichomoniasis) which are not caused by bacteria. Bacterial_vaginosis | |
| Bat Bats are mammals in the order Chiroptera (). The forelimbs of all bats are developed as wings, making them the only mammals naturally capable of sustained flight (other mammals, such as flying squirrels, gliding possums and colugos, can only glide for limited distances). Bat | |
| Plague (disease) Plague is a deadly infectious disease caused by the enterobacteria Yersinia pestis (Pasteurella pestis). Plague is a zoonotic, primarily carried by rodents (most notably rats) and spread to humans via fleas. Plague is notorious throughout history, due to the unprecedented scale of death and devastation it brought. Plague is still endemic in some parts of the world. Plague_(disease) | |
| Body mass index body mass index (BMI), or Quetelet index, is a controversial statistical measurement which compares a person's weight and height. Though it does not actually measure the percentage of body fat, it is a useful tool to estimate a healthy body weight based on how tall a person is. Body_mass_index | |
| Blood alcohol content Blood alcohol content or blood alcohol concentration (abbreviated BAC) is the concentration of alcohol in a person's blood. BAC is most commonly used as a metric of intoxication for legal or medical purposes. It is usually measured in terms of mass per volume, but can also be measured in terms of mass per mass. Blood alcohol concentration is given in many different units and notations, but they are all relatively synonymous with each other numerically. Blood_alcohol_content | |
| Coitus interruptus Coitus interruptus, also known as withdrawal or the pull-out method, is a method of contraception in which a couple has sexual intercourse, but semen is ejaculated outside of and away from the vagina. Coitus interruptus may also more generally refer to any extraction of the penis prior to ejaculation during intercourse. This method has been widely used for at least 2,000 years and was used by an estimated 38 million couples worldwide in 1991. Coitus_interruptus | |
| 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 | |
| Columbia River The Columbia River (known as Wimahl or Big River to the Chinook-speaking natives who lived on its lowermost reaches) is the largest river in the Pacific Northwest region of North America. It is named after the Columbia Rediviva, the first ship from the western world known to have traveled up the river. It stretches from British Columbia through Washington state, forming much of the border between Washington and Oregon before emptying into the Pacific Ocean. The river is long, and its drainage basin is . Columbia_River | |
| Creutzfeldt–Jakob disease Creutzfeldt or CJD (IPA pronunciationdegenerative neurological disorder (brain disease) that is very rare, incurable, and invariably fatal. Among the types of transmissible spongiform encephalopathy found in humans, it is the most common. Creutzfeldt–Jakob_disease | |
| Chlorine Chlorine (, from the Greek word 'χλωρóς' (khlôros, meaning 'pale green'), is the chemical element with atomic number 17 and symbol Cl. It is a halogen, found in the periodic table in group 17 (formerly VII, VIIa, or VIIb). As the chloride ion, which is part of common salt and other compounds, it is abundant in nature and necessary to most forms of life, including humans. Chlorine | |
| Chromium Chromium () is a chemical element which has the symbol Cr and atomic number 24. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odourless, tasteless, and malleable. The name of the element is derived from the Greek word "chrōma" (χρωμα), meaning color, because many of its compounds are intensely colored. Chromium | |
| Cadmium Cadmium () is a chemical element with the symbol Cd and atomic number 48. The soft, bluish-white transition metal is chemically similar to the two other metals in group 12 , zinc and mercury. Similar to zinc it prefers oxidation state +2 in most of its compounds and similar to mercury it shows a low melting point for a transition metal. Cadmium is a relatively abundant element. Cadmium was discovered in 1817 by Friedrich Strohmeyer as an impurity in zinc carbonate. Cadmium | |
| Carbon dioxide Carbon dioxide (chemical formula:chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. It is a gas at standard temperature and pressure and exists in Earth's atmosphere in this state.Carbon dioxide is used by plants during photosynthesis to make sugars which may either be consumed again in respiration or used as the raw material to produce polysaccharides such as starch and cellulose, proteins and the wide variety of other organic compounds required for plant growth and development. Carbon_dioxide | |
| Cyanide cyanide is any chemical compound that contains the cyano group (C≡N), which consists of a carbon atom triple-bonded to a nitrogen atom. These compounds are usually poisonous. Inorganic cyanides are hydrogen cyanide salts in which cyanide is generally the anion CN-. Cyanide | |
| Cycling Cycling, also known as biking, is the use of bicycles, or – less commonly – unicycles, tricycles, quadricycles and other similar wheeled human powered vehicles (HPVs) as a means of transport, a form of recreation or a sport. It is done on roads and paths, across open country or even over snow and ice (icebiking). Cycling | |
| Carbon monoxide Carbon monoxide, with the chemical formula CO, is a colorless, odorless and tasteless, yet highly toxic gas. Its molecules consist of one carbon atom and one oxygen atom, connected by a covalent double bond and a dative covalent bond. It is the simplest oxocarbon, and can be viewed as the anhydride of formic acid (CH2O2).Carbon monoxide is produced from the partial oxidation of carbon-containing compounds; it forms in preference to the more usual carbon dioxide (CO2) when there is a reduced availability of oxygen, such as when operating a stove or an internal combustion engine in an enclosed space. Carbon_monoxide | |
| Camel Camels are even-toed ungulates within the genus Camelus. The dromedary, one-humped or Arabian camel has a single hump and is well known for its healthy low fat milk, and the Bactrian camel has two humps. They are native to the dry desert areas of western Asia, and central and east Asia, respectively. Camel | |
| Ciprofloxacin Ciprofloxacin (INN) is a synthetic chemotherapeutic agent used to treat severe and life threatening bacterial infections. Ciprofloxacin is commonly referred to as a fluoroquinolone (or quinolone) drug and is a member of the fluoroquinolone class of antibacterials. Ciprofloxacin | |
| Centers for Disease Control and Prevention The Centers for Disease Control and Prevention (or CDC) is an agency of the United States Department of Health and Human Services based in the Metro Atlanta area, adjacent to the campus of Emory University and northeast of downtown Atlanta. It works to protect public health and safety by providing information to enhance health decisions, and it promotes health through partnerships with state health departments and other organizations. Centers_for_Disease_Control_and_Prevention | |
| 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 | |
| Chlamydia infection Chlamydia infection (from the Greek, χλαμύδος meaning "cloak") is a common sexually transmitted infection (STI) in humans caused by the bacterium Chlamydia trachomatis. The term Chlamydia infection can also refer to infection caused by any species belonging to the bacterial family Chlamydiaceae. C. trachomatis is only found in humans. Chlamydia is a major infectious cause of human genital and eye disease. Chlamydia_infection | |
| Coal tar Coal tar is a brown or black liquid of high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by-products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable mixtures of phenols, polycyclic aromatic hydrocarbons (PAHs), and heterocyclic compounds. Coal_tar |
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