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The human body produces and destroys 15 million blood cells every second.
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People about to have surgery must tell their health care providers about all supplements they take.
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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.