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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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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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