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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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There are approximately 3 million unintended pregnancies in the United States each year.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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