Originally Posted by Sparrow
But don't you have to run a marathon to burn off a Mars bar (or something like that)?
Not eating the Mars bar means you don't have to go out for a run.
Excercise is good in lots of ways, but I'm not sure it's brilliant for weight loss.
Correct, you still have to eat sensibly. But, if you are exercising regularly, it is easier to manage your weight. It is a lot easier to get weight off if you're doing high and low heart rate cardio four days a week.