References for “You don’t have to take a pill”
Messier SP, et al. "Exercise and dietary weight loss in overweight and obese older adults with knee osteoarthritis: the Arthritis, Diet, and Activity Promotion Trial," Arthritis and Rheumatism (May 2004), Vol. 50, No. 5, pp. 1501-10.
Miller GD, et al. "Intensive weight loss program improves physical functions in older obese adults with knee osteoarthritis," Obesity (July 2006), Vol. 14, No. 7, pp. 1219-30.