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If you could remove all of your skin, it would weigh up to 5 pounds.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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The human body produces and destroys 15 million blood cells every second.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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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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