Differences between the sexes stretches to fitness formulas

... pound, will always have more lean body tissue. It's harder for women to tackle extreme workouts, such as Crossfit or P90X, Coopersmith said, but they can do it. "They're not going to beat the men but will probably get pretty good at it and get very ...

http://www.reuters.com/article/2013/07/01/us-fitness-sexes-idUSBRE96006520130701?feedType=RSS&feedName=lifestyleMolt