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Facts About the Endangered Species Act of 1973The Endangered Species Act of 1973 was created to protect animals and plants that were in danger of becoming extinct. More than 2,200 species are listed as endangered or threatened.
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Esophagus: Facts, Functions & DiseasesThe esophagus is a tube that connects the throat (pharynx) and the stomach. Within it, muscles contract to move food to the stomach.
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Whiplash: Symptoms & TreatmentWhiplash is a neck injury that is common in car crashes, but it can also be caused during other types of accidents. In the United States, over 2 million people suffer from whiplash each year.
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Brain Hemorrhage: Causes, Symptoms & TreatmentA brain hemorrhage is bleeding in or around the brain. Brain hemorrhages occur when an artery in the brain bursts.
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Bedwetting: Causes & TreatmentBedwetting is common among young children. If it continues past age 7, there may be an underlying problem, and medical attention is recommended.
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What Is Flesh-Eating Bacteria?Flesh-eating bacteria refers to any of several strains of bacteria that can cause necrotizing fasciitis, a severe infection that destroys muscles, skin and tissue.
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Facts About FerretsFerrets are small, furry creatures with long tails and pear-shaped bodies. They are related to wolverines, ermines, minks and weasels.
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Facts About ElkElk are related to deer, caribou and moose. However, they are broader than deer, but not as massive as moose.
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Zika Virus: Symptoms, Risk, Treatment & PreventionThe Zika virus is spread by bites of infected mosquitoes. It can be particularly dangerous to fetuses and newborns.
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Colon (Large Intestine): Facts, Function & DiseasesThe large intestine, also called the colon, is part of the final stages of digestion. It is a large tube that escorts waste from the body.
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Ovarian Cysts: Causes, Symptoms & TreatmentOvarian cysts are sacs of fluid that can grow on the ovaries. They are very common and usually are not life threatening. Sometimes, however, they can produce serious problems.
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What Is the Hygiene Hypothesis? -
Sepsis: Causes, Symptoms & TreatmentSepsis is the body's overreaction to infection. It can cause tissue damage, organ failure and death.
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Concussions: Signs, Symptoms & TreatmentA concussion is a traumatic brain injury (TBI) caused by the brain violently bouncing or twisting inside of the skull.
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Traumatic Brain Injury: Causes, Symptoms & Treatment
Traumatic brain injury (TBI) is a very common brain condition marked by damage to the brain caused by an outside force.
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Kangaroo FactsKangaroos are marsupials native to Australia. Their babies are called joeys and they live in groups called mobs.
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How Blue LEDs Affect SleepResearch has found that exposure to blue light suppresses the production of the sleep hormone melatonin more than any other type of light.
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Facts About Opioids — Hydrocodone, Oxycodone, Codeine & OthersOpioids are powerful painkillers but they can be dangerous with misuse.
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Mercury Poisoning: Causes, Effects & FishMercury is a naturally occurring chemical, but it can become harmful when it enters the food chain.
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Breastfeeding Basics: Tips for Nursing MothersSome new mothers may be unfamiliar with basic breastfeeding practices. Here are some tips for them.
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Migraines: Causes, Symptoms & ReliefA migraine is a neurological disorder marked by intense headache, nausea, visual disturbances and other symptoms.
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Microcephaly: Causes & SymptomsMicrocephaly is a condition in which a child's brain doesn't develop properly. The most obvious symptom is that the child has a smaller head than others of the same age and gender.
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Tapeworms: Causes, Symptoms & TreatmentTapeworms are flat, segmented parasites that can grow in a host's intestine and feed for 30 years.
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Listeria Infection: Symptoms & TreatmentListeriosis is a bacterial infection typically caused by eating contaminated food.
