If you're overweight, the best way to spend your limited time exercising is aerobic activity, a researcher says. Rhodes ludovic/iStockphoto.com hide caption

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Walking can actually be good medicine for osteoarthritis. iStockphotography.com hide caption

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Meat preservatives like nitrites and sodium have been linked to insulin resistance, which might explain the link between Type 2 diabetes and high consumption of these meats, researchers say. iStockphoto.com hide caption

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Pediatricians recommend that kids acclimatize to the the heat by taking it easy the first two weeks of practice. iStockphoto.com hide caption

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Mothers might not realize that the tastes and flavors they savor while pregnant can influence their babies' palates later. Maggie Starbard/NPR hide caption

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Jackie Gleason (right) played Ralph Kramden — a bumbling but loveable overweight husband — in the 1950s sitcom The Honeymooners. Audrey Meadows co-starred as his wife, Alice. Paramount Pictures/Getty Images hide caption

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Peanuts were a problem for 9 percent of households that reported someone with a food allergy or intolerance. iStockphoto.com hide caption

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