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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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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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There are 20 feet of blood vessels in each square inch of human skin.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.