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Jillian Michaels on Dec 20, 2007 at 5:46PM
chime in nowIf you're a woman, you cannot bulk up by lifting weights. This is a huge myth! As women, we don't really have enough testosterone for this to occur. In fact, quite the opposite is true. We should lift weights in order to help us build as much muscle as possible to rev up our metabolism and maintain our bone density.