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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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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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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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