An ache or a twinge in your knee can interfere with your ability to sleep soundly. So if you're plagued by nighttime knee pain, you'll want to get to the bottom of it, and quickly. Knee pain at ...

Sixty-nine-year-old Mary Anne Laporte was diagnosed with knee arthritis 15 years ago. For years, she kept the pain under control with steroid injections and physical therapy, but when she began ...