I am living proof of that. At age 83, I am still writing complex computer programs, managing my investments, and do not need a single prescription. Regular exercise is amazing benefit for delaying old age issues. I do this simple exercise 4 days every week for 30 minutes.
https://youtube.com/shorts/cOZbElfBdCU?
Good for you...following in your footsteps... at 81.
BTTT
Do you do that to music?