You are told you have knee arthritis. The advice the doctor gives you is to go home, rest your knee, take anti-inflammatory drugs, lose some weight, wait until you are older and then get an artificial knee replacement. This advice is awful. Here's why.
Total and partial joint replacement has finally moved out of the hospital! This has been made possible by enhanced computerized surgical planning, the use of human-guided robotic arms, and novel ways of preventing pain.