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.
Back to Questions. How long will the nerve block last? This depends on the type of block performed and the type of numbing medication used. For example, nerve blocks for hand surgery usually last for 6-8 hours, but a nerve block for pain after total knee replacement can last for 12-24 hours.