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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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There are 20 feet of blood vessels in each square inch of human skin.
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There are more bacteria in your mouth than there are people in the world.