5
votes
4answers
726 views

Is long distance running harmful for women?

I was considering taking part in marathon, but recently I came across this article. To summarize, the author claims that long distance running, and actually any cardio done for hours at or above 65 ...
13
votes
4answers
4k views

Why does cardio/aerobic exercise lead to muscle loss?

Recently, I've been reading a lot about how cardio reduces muscle mass and strength. The following is an excerpt from crossfit.com that seems to sum up what I've been reading: Aerobic training ...