Have I got your attention?

I know it sounds contrary to what you’ve been told your whole life. After all, if it’s a bad way to lose weight, what’s with all the gyms, fitness studios, and video-based workout programs? Running clubs? Jazzercise? Pilates? Treadmills and stationary bikes? None of it makes any difference?

Yes.

And no.

The fact of the matter is, losing weight by exercise alone is not a good strategy. Let me explain.

Let’s say you weigh 160 pounds and you run 6 miles per hour. After...