I swear I'm not making it up! You want to be lean, strong, healthy? You want to loose weight, look good in clothes and have tons of energy? Guess what?! An hour of walking on the treadmill isn't going to get you there. If you have sufficient enough weight to loose it's a great place to start. But if you truly want to remake the way your body looks, ain't nothing going to do it like lifting a lot of iron, ladies!
Check out what Jason Ferruggia has to say on the subject of women lifting weights.
Proof of what lifting can do fo you!