Also, diet is important in the treatment of gout. There appears to be a correlation with diabetes, but once again, obesity is related to OA of the knee. With respect to the hip, it is what is called alternative bearing. The wear rates with these alternative bearings is one to five percent of the metal on plastic. It is these wear particles that cause failure of the total joints.
Most people are moderately active.
Literally in the 1800s, OA was not that common because the average lifespan was in the 40s. Now the average lifespan is into the 7th and 8th decades of life. We are now seeing tremendous numbers of patients that are literally wearing out their joints. My experience is they work best with mild to moderate arthritis. Also, remember to keep the muscles around the joints strong.