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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.