Being Overweight
Extra weight may place extra pressure on joints and cartilage, causing them to wear away.
People with more body fat may have higher blood levels of substances that cause inflammation. Inflammation at the joints may raise the risk for osteoarthritis.
Weight Loss
Weight loss of at least 5 percent of your body weight may decrease stress on your knees, hips, and lower back, and lessen inflammation in your body. If you have osteoarthritis, losing weight may help improve your symptoms.