Los Angeles is no stranger to traffic jams and road rage. iStockphoto.com hide caption

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A Kansas City family prepares a meal together. A new study finds that working mothers log more hours — and get more stressed — than working fathers while multitasking at home. (This family wasn't part of the research.) Allison Long/MCT /Landov hide caption

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Swimming is one form of exercise that can help prevent arthritis from getting worse, doctors say. iStockphoto.com hide caption

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Many doctors and patients aren't discussing the health consequences of weight. iStockphoto hide caption

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One recent study found that people were able to burn up an extra 450 calories a day with one hour of moderate exercise. That can include walking briskly, biking or swimming.

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A pediatrician says parents often mistakenly believe all baby accessories are safe.

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Some patients describe chronic fatigue syndrome as feeling like an "unrelenting flu." iStockphoto.com hide caption

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Many people with sleep apnea wear a CPAP machine mask in bed to help them breathe. Amy Walters/iStockphoto.com hide caption

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King Henry VIII famously suffered from gout. iStockphoto.com hide caption

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