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  1. Baking Soda Boosts Athletic Performance

    Oct. 25, 2010 -- A dose of baking soda may add a little fizz to the performance of tennis players, a new study says. Scientists at the National Taiwan College of Physical Education conducted a small study to test whether a tiny amount of sodium bicarbonate -- more commonly known as baking soda -- he

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  2. Marathon Running Can Tax the Heart

    Oct. 25, 2010 -- Runners who are less fit may experience temporary but reversible damage to the heart during a marathon, according to a new study. Marathon running can cause temporary increases in swelling and inflammation of the heart muscle, as well as decreases in blood flow, and the less physica

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  3. Are Cortisone Shots for Tendon Injuries Worth It?

    Oct. 21, 2010 -- Corticosteroid injections, better known as cortisone shots, provide short-term pain relief for tendon problems such as tennis elbow but may be worse than other treatments later on, according to a new analysis. "We have shown strong evidence that corticosteroid injection is beneficia

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  4. Why Women Work Harder to Work Up a Sweat

    Oct. 12, 2010 -- Women need to work harder than men to work up a good sweat, which is necessary to keep the body cool during physical exertion, according to a new study. Researchers in Japan enlisted 20 women and 17 men to cycle continuously at various intensities for an hour in a room heated to 86

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  5. Football Players Hurt Brain Without Concussions

    Oct. 12, 2010 -- A small study of high school football players suggests that players who endure multiple impacts to the head may experience brain impairment, even in the absence of a diagnosed concussion. Researchers led by Thomas Talavage, PhD, of Purdue University in West Lafayette, Ind., and coll

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  6. Few Americans Get Vigorous Activity

    Sept. 17, 2010 --Only 5% of Americans perform vigorous activities on a given day. But sedentary activities such as watching TV and movies were carried out daily by 80% of Americans. Those findings are based on data collected between 2003 and 2008 as part of the American Time Use Survey. Researchers

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  7. Pre-Run Stretch May Hurt Endurance

    Sept. 10, 2010 -- Some runners swear by their pre-run stretch as a sure-fire way to run better and stronger and reduce their risk of injury in the process. But according to a new study, distance runners who stretch before a run may not perform as well and may spend more energy than runners who skip

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  8. Want to Build Muscle? Light Weights Will Do

    Aug. 13, 2010 -- Building muscle doesn’t require a lot of heavy lifting, just a lot of light weight lifting, a new study indicates. Straining to lift very heavy weights isn’t the only way to pump up muscles, say researchers at McMaster University in Hamilton, Ontario. Similar results can be achieved

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  9. Big Waist Increases Death Risk

    Aug. 9, 2010 -- Men and women who are very large around the middle are at much greater risk of dying from any cause than people with thinner waists, a new study says. Eric J. Jacobs, PhD, and colleagues at the Atlanta-based American Cancer Society, examined associations between waist circumference a

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  10. Obesity Rates Still Rising, CDC Says

    Aug. 3, 2010 -- More Americans are becoming obese. Obesity rates inched up 1.1% between 2007 and 2009, according to a new report released by the CDC. In just the past two years, 2.4 million people have joined the ranks of the obese. About 72.5 million U.S. adults are now obese, the report found. Tha

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