By Craig Ballantyne, CSCS, MS
Cardio exercise is such a strange thing. In theory, it should work so perfectly well for all men and women, but as anyone who has tried it knows, the practicality of it just doesn’t add up.
After all, some men and women do cardio 6 hours, 9 hours, or more per week, and still have belly fat to burn. On the other hand, it works just fine for others.
British researchers wanted to get more insight into this paradox, and studied 35 o