re: #210 Amory Blaine
So, that old maxim, “Everything in moderation” applies everywhere to everything, no doubt.
Jim Fixx immediately came to mind. Remember, he did run for 17 yrs, after being overweight and a smoker at age 35 when he began, and made a small fortune at it.
I never ran, or even “jogged”, but I “power” walked my way through my 40s and stayed between 105-110 lbs.