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.
The average hospital stay after knee joint replacement is usually three to five days. The vast majority of people who undergo knee joint replacement surgery have dramatic improvement. This improvement is most notable one month or more after surgery.ou and your doctor may consider knee replacement surgery if you have a stiff, painful knee that makes it difficult to perform even the simplest of activities, and other treatments are no longer working. This surgery is generally reserved for people over age 50 who have severe osteoarthritis.