New knees for fatty

"Surgery to replace damaged knees and hips with artificial joints has become so common among active baby boomers that it almost seems like a badge of honor. But evidence is growing that it's not only skiers and joggers fueling the explosion of operations, but obese Americans. Article Tools Some hospitals estimate that half to two-thirds of their patients having joint-replacement surgery are overweight or obese, and these patients are posing added challenges for medical teams." "Obesity is fueling a rise in joint-replacement surgeries" The Boston Globe via Boston.com