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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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The horizontal fraction bar was introduced by the Arabs.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.