Summary: You cannot lose weight due to several reasons, including insulin resistance, stress, not getting enough sleep, drinking artificially sweetened drinks, and not snacking smartly. Eat less, exercise more. Is it really that simple? You might think, "I don’t eat much, so why am I gaining weight?" Does that sound familiar? You may be surprised to learn that the reasons for gaining excess weight go far beyond just what’s on your plate. This is one of the biggest misconcepti