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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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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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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 calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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