First example that pops into my mind to address your question: Running builds muscle and improves balance (among other things). Many people late in life die fr

First example that pops into my mind to address your question: Running builds muscle and improves balance (among other things). Many people late in life die from head injuries caused by falls. I have a better chance of living longer and healthier with a stronger body. I'm primarily concerned with healthspan over lifespan. Goal to be sharp and as healthful as Jack Lalanne at 95: https://www.youtube.com/watch?v=AkdYrAQJu6g https://www.youtube.com/watch?v=AkdYrAQJu6g Yeah, I know he died a year later from pneumonia. He mentions his ego in the video as well.