Novice,
I used to be a runner.a serious runner. I used to be obese as an Adolescent. I committed myself to never be obese ever again. It worked, but i took the long road, making mistakes and harming my body. I wish you luck in all your endeavors. Please read this
Mark’s Daily Apple » Blog Archive » A Case Against Cardio (from a former mileage king)
Good Luck,
Elodestar