Unlike BMI, which only considers weight and height, body fat percentage gives you a more accurate picture of your body composition. Why is it important to know your body fat percentage?

People with higher body mass indexes say they're relieved by experts' new guidance to downplay the use of BMI in diagnosing people with weight problems or obesity.

But it doesn’t offer a full picture of a person’s health, because it doesn’t account for differences in body composition, such as muscle versus fat. How ‘miracle’ weight-loss drugs will ...