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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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There are 20 feet of blood vessels in each square inch of human skin.
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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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There are approximately 3 million unintended pregnancies in the United States each year.