BMI does not help a doctor understand the composition of the weight — how much of it is fat, and where the fat is distributed. Studies are now showing that BRI, or Body Roundness Index, may be better at predicting health risks BMI does not help a doctor understand the composition of the weight — how much of it is fat, and where the fat is distributed. Studies are now showing that BRI, or Body Roundness Index, may be better at predicting health risks Health Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu