Being only 10 pounds overweight increases force on the knee by up to 60 pounds, according to the Johns Hopkins Arthritis Center. On the flip side, every 11-pound weight loss lowers risk of knee osteoarthritis by 50 percent, the center's study shows.
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Ditch those ultrahigh heels
Anything 2 inches or higher can contribute to joint degeneration and knee osteoarthritis, according to a 2010 Iowa State University study. It's OK to wear stilettos for an hour or two at a time, but stick to lower styles day in and day out.
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Skip the soda
Sugary soft drinks appear to increase risk of knee osteoarthritis, according to a study presented at the American College of Rheumatology's 2012 meeting.
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