In these times, for most of us, exercising and being fit is an indispensable part of life. Women are willing to put in long hours at the gym, sweating it out to look oh-so-sexy. But the Internet (and that gym buddy) is full of dos and don’ts about how ladies must work out. Will weights add bulk to your frame? Does ditching fat make you fitter? Here’s all you need to know about popular fitness myths.