For what it is worth, I just turned 75 myself on 7 march. Like anyone at this age, age delaying therapies matter. They also matter a lot younger, but not nearly so much and it is easy to slide a bit.
Yet you know that they will really matter now and sollutions are welcome. If you got this far in good health, it is completely plausible that you will see age 100. The real problem is retyaining as much of your prime as possible. Be like George Burns at 100.