Before weight coach Bella Barnes consults with new clients, she already knows what they'll say. The women struggle with their weight, naturally. But they don't want to lose pounds. They want to gain ...

Can weight loss mean loss of life? New research shows that both extreme weight loss and weight gain significantly increase the risk of death in obese individuals with heart disease. In this most ...

Constitutionally thin individuals often eat as much as their peers and don't exercise hard. Yet their body mass index is below 18.5 — and sometimes as low as 14, which translates to 72 pounds on a ...