My mother took her first plane flight - to Great Britain!! - when she was 65.
When she was 72, she stopped in to see her first great-grandchild on the way to an international flight to visit me. When she left, a friend said she looked "52 - maybe!".
When she was nearly 50, she decided - in the face of much opposition - to give birth to her last child. That was me.
In my 30's, several doctors diagnosed conditions that would have qualified me for disability. They said I should expect to be in a wheelchair by my 50's. For decades, I listened and it was going the way they predicted.
Now, I'm in my 60's. AFTER implementing her lifestyle, people began to assume I'm "40-something". International travel, stair-climbing, gardening, roofing, walking for miles - it all keeps one youthful!
In her 40's, Mother was bed-ridden with arthritis. Perhaps, it's not lifestyle resulting from good health... rather health resulting from lifestyle.
... Thanks, Mom, for the wonderful example.