Don Y wrote in news:nag2ko$lur$1@dont-
email.me:

When I first started walking, MD was preaching "30 minutes, 3 times
a week".


I do about 20 minutes usually six times a week. I could go longer but it's
boring. I can't tell that it helps much but it might.


--
You know it's time to clean the refrigerator
when something closes the door from the inside.