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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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