Before you consider a joint replacement-what you need to know
How to decide on surgery and get the best outcome from your new joint.
By the summer of 2013, Joan Chiverton had endured nearly three years of knee pain. She'd had enough. "I love to walk and I'm a very active person, and I'd have to stop after every couple of blocks and take a break," says Chiverton, an illustrator who lives in New York City.