1 One or both of your parents or several other blood relatives are significantly overweight. If both of your parents have obesity, your likelihood of developing obesity is as high as 80%.  You can't lose weight even when you increase your physical activity and stick to a low-calorie diet for many months.
How long will my knee replacement last is a common question for those with long term knee pain. Replacements used to last 7- 10 years but now knee replacements can last 10-25 years. Listen to your doctor, do your physical therapy and be good to your body. Lifestyle plays an important part in the longevity of the knee replacement. Activity level and body weight will also affect knee health.
Traditional total knee replacement involves a 7-8â incision over the knee a hospital stay of 3-5 days and a recovery period (during which the patient walks with a walker or cane) lasting from one to three months.raditional total knee replacement involves a 7-8â incision over the knee a hospital stay of 3-5 days and a recovery period (during which the patient walks with a walker or cane) lasting from one to three months.