The sequence is familiar to anyone who has lived it.
A joint, tendon, or ligament does not recover — from an injury, or from the slow structural wear that accumulates over decades. The first response is symptom control, usually a non-steroidal anti-inflammatory, paired with conventional rehabilitation. When that does not resolve the problem, the conversation turns toward surgery. And when surgery is not indicated, or has already been tried without lasting relief, patients are frequently told the same thing: there is nothing further to do, learn to live with it, here is something for the pain.
Musculoskeletal pain has become common enough in modern life that most people quietly accept it as an inevitable consequence of getting older.
The reason is mechanical rather than mysterious.
Blood delivers the cells and nutrients that rebuild damaged tissue, and cartilage, ligament, and tendon receive comparatively little of it. Repair in those structures is slow, and it can stop before it finishes. Those same structures carry a dense nerve supply, which is why an unfinished repair so often leaves pain behind after the original injury has settled. And because everything in the musculoskeletal system is held in tension against everything else, a weak link in one place quietly loads the structures around it — which is how a bad ankle becomes a bad hip two years later.
Seen that way, a stalled recovery is not a failure of will or a verdict about your age. It is an unfinished repair in tissue that was never well supplied to begin with.