Unless humans themselves have significantly changed somehow in the last fifty years, it would seem that there are indeed some systemic issues in play. I myself

Unless humans themselves have significantly changed somehow in the last fifty years, it would seem that there are indeed some systemic issues in play. I myself have had hip arthritis since I was seven years old, so I have sympathy for people who have individual issues that stymie them; it's been an absolute bitch for me to figure out how to exercise within my limits.