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THE PHYSICIAN AND SPORTSMEDICINE - VOL 25 - NO. 6 - JUNE 97


  • Sports drinks increase the risk of cavities and tooth erosion when consumed frequently, according to a case report and an evaluation of sports drinks in the March issue of the British Journal of Sports Medicine. Sports drinks or any other beverage high in citric acid and sugar can erode teeth and promote tooth decay. The author recommends that active people who use sports drinks avoid holding or swishing the drinks in the mouth, use a straw when drinking, and have regular dental checkups.

  • Golf courses are hot spots for cardiac arrests, according to recent findings by King County Emergency Medical Services in Seattle. Other prime places for cardiac arrest were homeless shelters, airports, county jails, shopping malls, and sports venues. Fewer cardiac arrests occurred in hotels, gymnasiums, buses, taverns, schools, churches, and restaurants. The study was presented at an American Heart Association conference in April in Washington, DC, on public access to defibrillation.

  • Air glider machines aren't the best choice for serious exercisers who want to improve their fitness levels, says a research report in the May/June issue of FitnessMatters, the journal of the American Council on Exercise in San Diego. Researchers found that young adults exercising maximally reached a peak heart rate of only 155 beats per minute, comparable to a quick walk or slow jog.

  • Just when you were getting used to the idea of cartilage and chondrocyte transplants for worn-down menisci, along comes another futuristic orthopedic treatment: bone paste for fractures. Swedish and American researchers presented a study comparing the performance of bone paste with casting and external fixation for wrist fractures at the February annual meeting of the American Academy of Orthopaedic Surgeons in San Francisco. The bone mineral substitute, which is injected into the fracture site, is currently undergoing multicenter trials for approval by the US Food and Drug Administration.

  • Adult supervision alone isn't enough to protect children from severe hand injuries sustained during adult use of stationary exercise bicycles, says a study group that presented a poster at the February annual meeting of the American Academy of Orthopaedic Surgeons in San Francisco. The group studied 19 children who got hands caught in the spokes or the chain and sprocket areas of the bikes. Injuries included amputations, fractures, and nerve, tendon, artery, and soft-tissue lacerations. The authors suggest that manufacturers shield the spokes and the chain and gear mechanisms.

  • Researchers are working on a product that's sure to delight couch potatoes and raise hopes for the overweight: an "exercise pill." Robert Dow, PhD, a researcher with Pfizer, Inc, in Groton, Connecticut, presented a paper at the April annual meeting of the American Chemical Society in San Francisco that summarized the results of animal trials on a drug that boosts metabolism to mimic the effect of exercise. Dow and his colleagues predict that in humans, the drug could become a new tool in the fight against obesity, and they project that in human trials, the drug will allow patients to lose a half pound a week. If human clinical trials are successful, the compound could be available within 5 to 10 years, Dow says.


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