People who didn't eat well or exercise well in their youth experience serious health problems in old age. Dementia is one of the most serious diseases of old age. Exercise can significantly improve dementia.
If your genetic inheritance isn't good, a person faces serious health problems after a certain age. Life becomes a period of suffering and feeling down. No one wants to live a life where they can't enjoy life, have fun, or travel as they please.
Let's compare a wealthy 100-year-old with health problems to a healthy 30-year-old with nothing. Which is truly richer? Owning something isn't enough.
RE: Quality of Age