However, to determine if excess weight is a health risk, a healthcare provider would need to perform further assessments. Some have ways of considering waist size, that is, waist circumference.

Please check and try again Please enter recipient's email Recipient's email is invalid. Additionally, BMI is an inexpensive and easy-to-perform method of screening for weight categories that may lead to health problems.

Now, some people argue, we have technology that can help us add some complexity to the calculation. If you are overweight or obese it can make a huge difference to your health to lose even a few pounds. International Journal of Obesity.