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Perhaps because it seems intuitively true, the notion persists that running, especially when done long-term and over long distances, is bad for the joints. Indeed, it would be hard to think otherwise when with each foot strike, a runner's knee withstands a force equal to eight times his or her body weight - for a 150-lb. person, that's about 1,200 lb. of impact, step after step...
...well-known long-term study conducted at Stanford University, researchers tracked nearly 1,000 runners (active members of a running club) and nonrunners (healthy adults who 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...
...According to Traffic Minister Camiel Eurlings, the hope is that commuters faced with paying a hefty tax on their driving will opt to start carpooling or riding bicycles to work, and may, in the long term, even move to live closer to their jobs. "The goal is a different manner of paying for mobility that is more fair," Eurlings says. "Not paying more, but paying differently, with a positive income effect for most households." (See the 50 worst cars of all time...
...much of this year, such poll talk was not much of a factor, as the results generally followed the typical pattern of first-term presidencies, with a strong honeymoon period that slowly petered out. But as Obama approaches the first year mark of his presidency, Democratic and Republican strategists are beginning to look more closely at the polls. Here's why: (See the top 10 Obama backlash moments...
...approval rating now dipping below 50% in most polls, Democratic pollsters have begun to sound the alarm. In a recent public memo, Celinda Lake, of Lake Research Partners, pointed to a sobering statistic: Presidents with approval ratings below 50% have lost an average of 41 House seats in mid-term elections. (Democrats currently have an 81-seat advantage in the House, so Republicans could gain control of the chamber with a 41-seat pick-up in 2010.) To make matters worse, Republicans now win the generic Congressional ballot by two points, the first time the GOP has outstripped Democrats since...