When I was 26 BMI and had a diet that mostly consisted of frozen pizzas, junk food and soft drinks, I used to suffer from heart burn very often. I haven't had heart burn in over 2 and a half years now. If a bad diet at 26BMI can put me in pain often, I dread to think what their diet at 40+BMI feels like. Btw, don't worry, I hover between 18.5-19 bmi now