How Do You Reduce A Fat Belly?Is a Fat Stomach Unhealthy?Yes. For people with a BMI of 34 or less, a Fat Belly is regarded as an additional health risk. Fatty tissue which is stored around the stomach and abdomen (sometimes called intra-abdominal, or visceral fat) carries a greater health risk than fat located in the lower body around the butt and thighs. Some health studies show that abdominal