DEAR DR. ROACH: I’m 72, and I have had arthritis for three years: two years in both knees, and one year in my right hip and the base of my spine. I am 5-foot-3 and weigh 221 pounds, with a body mass index (BMI) of 39. I lost 23 pounds from January to June. What … Continue reading GOOD HEALTH: Lowering BMI before surgery can provide better outcomes