“It's not fair,” my friend cried. “I’m the one on a diet, and he’s the one who loses weight!” Both my friend and her husband had put on...

If you read magazines, watch TV, see a doctor occasionally or have ever been on a diet, you’ll have heard of the BMI or body mass index....

The short answer is YES. A bit of background. There are numerous factors that affect body weight and fat distribution, we have no control...