Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Many U.S. regions under threat due to changes in sea level