Check this site, it works.
I had a heart attack years ago and read about this, and I walk 1/2 mile daily.
It works,
https://www.verywellfit.com/walking-4157093
Check this site, it works.
I had a heart attack years ago and read about this, and I walk 1/2 mile daily.
It works,
https://www.verywellfit.com/walking-4157093