In 1864, the first barbiturate (barbituric acid) was synthesized.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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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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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
A detailed look at the steps of the citric acid cycle