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Fitness & Exercise

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  1. Fit Beats Fat for a Longer Life

    Dec. 4, 2007 -- Staying fit is more important than losing fat for older adults, new research suggests. Fitness was found to be a strong predictor of longevity in the study, which involved adults ages 60 and older, while obesity had little influence on death risk. Study participants who were more fit

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  2. Physical Activity Rising in U.S. Adults

    Nov. 21, 2007 -- More U.S. adults are making fitness a habit, according to the CDC. The CDC today reported that the percentage of U.S. adults reporting regular exercise or physical activity jumped nearly 9% from 2001 to 2005. Those findings came from telephone surveys of more than 205,000 adults in

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  3. Pedometers Get You Moving

    Nov. 20, 2007 -- Wearing a pedometer and having a daily step goal can boost your activity level, according to a new analysis of research. "Our major result is pedometer users increased their physical activity," says Dena Bravata, MD, senior research scientist at Stanford University School of Medicin

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  4. Heart Benefit Seen From Runner's High

    Nov. 16, 2007 -- Opioids, the body's chemicals that create the "runner's high," may help save the heart from heart attack damage. So say University of Iowa scientists who studied runner's high in rats. "We have known for a long time that exercise is great for the heart. This study helps us better un

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  5. Doctors Urged to Prescribe Exercise

    Nov. 5, 2007 -- Take a walk around the neighborhood and call me in the morning. That's what you're likely to hear from your doctor if several big medical groups succeed in their latest public relations push. The groups, including the American Medical Association (AMA) and the American College of Spo

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  6. Gene Tweak Makes for Mighty Mice

    Nov.1, 2007 -- Scientists at Case Western Reserve University have genetically engineered mice that outrun, outlive, and out-eat ordinary mice while staying lean, light, and fertile well into old age. Chalk it up to a change in a single gene. That genetic tweak boosted levels of an enzyme called PEPC

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  7. Stretching Won't Prevent Sore Muscles

    Oct. 17, 2007 -- Stretching before or after vigorous exercise won't spare you the agony of sore muscles, according to a new review. Researchers from the University of Sydney in Australia arrived at the conclusion after reviewing the results of 10 published studies. The review "showed very clear resu

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  8. Running Shoes: Don't Pay More

    Oct. 10, 2007 -- Running-shoe buyers, beware! Whichever brand of running shoe you favor, the brand's most costly model is no better -- and may be worse -- than its lower-priced shoes. The warning comes from studies by Rami J. Abboud, PhD, director of the Institute of Motion Analysis and Research at

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  9. CDC: Disabled Less Active Than Others

    Oct. 4, 2007 -- Most U.S. adults with disabilities don't get enough physical activity, according to new CDC data. The CDC today reported that almost 38% of adults with disabilities meet minimum recommendations for physical activity, compared with nearly half of other adults. Also, a quarter of disab

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  10. Proteins Increase Muscle Mass in Mice

    Aug. 28, 2007 -- The secret to increasing muscle mass may not just be a matter of sweating it out in the gym. Gaining muscle mass may also be related to two proteins -- myostatin and follistatin -- according to new work by Johns Hopkins University scientist Se-Jin Lee, MD, PhD. Lee studied genetical

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