Body Mass Index, or BMI, has long been criticized as an unreliable method for measuring obesity — and now a group of experts is sharing new recommendations for how to use it.

Body mass index (BMI) can help you see if your weight is raising your risk for health problems. It uses a formula to compare how much you weigh with how tall you are. A BMI lower than 18.5 is ...

The Mifflin-St Jeor equation is considered more accurate for both BMR and RMR in modern research (3 ). Whether your metabolism is slow or fast, if you consume more calories than your body needs ...

BMI is a formula that uses a person's height and weight ratio to assess whether they're underweight, normal weight, overweight or obese, although it is not a direct measure of body fat.