Excess belly fat may reveal more about longevity in older adults than BMI. A doctor explains

By Faye Chiu, CNN (CNN) — Among adults 65 and older, having a larger waist circumference was linked to a higher risk of early death, according to a new study. But being classified as overweight by body mass index, or BMI, was associated with a lower risk of early death. That’s confusing. Obesity, we know,