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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.