BMI, a common measure for categorizing weight, falls short in predicting health risks, such as diabetes and heart disease, due to its inability to distinguish between muscle and fat. New indices like Body Roundness Index (BRI) offer more precision by including hip and waist measurements, better assessing obesity and associated health risks. BMI, a common measure for categorizing weight, falls short in predicting health risks, such as diabetes and heart disease, due to its inability to distinguish between muscle and fat. New indices like Body Roundness Index (BRI) offer more precision by including hip and waist measurements, better assessing obesity and associated health risks. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle