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Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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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.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The average adult has about 21 square feet of skin.