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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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The FDA recognizes 118 routes of administration.

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