Mixing antidepressant Paxil and the cholesterol-fighter Pravachol may lead to an unexpected increase in blood sugar, researchers say. Joe Raedle/Getty Images hide caption

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FDA tells consumers to steer clear of bogus remedies touted as nonprescription treatments for sexually transmitted diseases. FDA hide caption

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Cows that consume feed, grass or water contaminated with radioactive iodine-131 can concentrate the element in their milk. Peter Elvidge/iStockphoto.com hide caption

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