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...didn't have an intensive exercise regimen) for 21 years. None of the participants had arthritis when the study began, but many of them developed the condition over the next two decades. When the Stanford team tabulated the data, published in the Archives of Internal Medicine in 2008, it found that the runners' knees were no more or less healthy than the nonrunners' knees. And It didn't seem to matter how much the runners ran. "We have runners who average 200 miles a year and others who average 2,000 miles a year. Their joints are the same," says...
...least active. About 9% of the participants overall developed arthritis over the course of the study, as measured by symptoms reported to their physicians (pain and difficulty walking) as well as X-ray scans. And in the same year, Australian researchers writing in the journal Arthritis and Rheumatism found that people who exercised vigorously had thicker and healthier knee cartilage than their sedentary peers. That suggests the exercisers may have also enjoyed a lower risk of osteoarthritis, which is caused by breakdown and loss of cartilage. (Read "Runner Trend: Going Barefoot...
...good news is that there are ways to help reduce the risk of stress fracture. One method may be to simply strengthen the muscle attached to the bone. In a study published in the December issue of Medicine & Science in Sports & Exercise, researchers at the University of Minnesota found that among competitive female runners, those with larger calf muscles were less likely than runners with small calf muscles to suffer stress fractures in their shinbones. Why? The stronger the muscle, the greater the force it exerts on the bone; a contracting muscle exerts a bending force on the bone, like...
...pitched the story about wannabe presidents with Caleb already in mind. Twice, in passing, I had heard him referred to as “that guy who wants to be president.” He was a former head of the Harvard Republican Club, and I found out he was taking a semester off to work for Karl Rove in D.C. I assumed he wouldn’t admit to any presidential ambitions, but that was part of the draw. Some students who were serious about the presidency would be too savvy to admit it in print. I hoped Caleb...
...best clue to Boxing Day's origins can be found in the song "Good King Wenceslas." According to the Christmas carol, Wenceslas, who was Duke of Bohemia in the early 10th century, was surveying his land on St. Stephen's Day - Dec. 26 - when he saw a poor man gathering wood in the middle of a snowstorm. Moved, the King gathered up surplus food and wine and carried them through the blizzard to the peasant's door. The alms-giving tradition has always been closely associated with the Christmas season - hence the canned-food drives and Salvation Army Santas that...