Now, why would a Chicago personal trainer headline an article like this? Because it's true....or can be for many body types. As my personal training clients know, I tell everyone during our orientation that they don't need personal trainers to lose weight. They will achieve that by changing their dietary habits. My purpose as a personal trainer (especially in Chicago) is to provide accountability and improve your cardio and strength endurance while sculpting your new body. While weight loss may sometimes be a result of fitness, it shouldn't the leading attempt to do so. Read the NY Times article Exercising But Gaining Weight for a related perspective.