According to the American College of Rheumatology up to 6 million Americans aged between 35 and 84 will receive a diagnosis of knee osteoarthritis in the coming decade. According to the study's author, Dr. Elena Losina, co-director of the Orthopedics and Arthritis Center for Outcomes Research at Brigham and Women's Hospital in Boston the age at which people are getting diagnosed is getting younger and may be symptomatic of increased obesity in younger generations.

In another study of those with knee arthritis, it was found that a combination of both weight loss and exercise reduced pain and improved mobility by as much as 50 percent. It is important when setting weight loss goals that to remember the added benefit to joints and body