Originally Posted by
datlas
I heard a certain ex-president believes that we all have a fixed number of heartbeats and when we reach that limit, we die. Apparently that’s his excuse for not exercising. I don’t know if he truly thinks that, but obviously it’s not the case.
I could say more but don’t want to venture into P&R.
I've that belief attributed to an early astronaut among others. Doesn't seem easily falsifiable.