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People about to have surgery must tell their health care providers about all supplements they take.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.