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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.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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There are more sensory neurons in the tongue than in any other part of the body.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.