Saving Younger Knees
Most people take about 8,000 to 10,000 steps a day. In the average lifetime, that's 115,000 miles. Most cars wear out by then -- so why shouldn't your knees? More than 400,000 people will need knee replacements this year, but before Gen Xers go for the total trade-in, there's a new option that will keep younger knees in place -- longer.








