How is body fat distribution an important factor? A sign of being overweight and suffering from obesity is having an unhealthy body fat distribution. Fatty tissue is found in different parts of body and has many functions. Having an increased waist circumference suggests that you have increased amount of fat in your abdomen and increased waist circumference is a sign of obesity and can increase the risk for obesity related complications as well. It's also recognized that increasing amount of lower body fat are independently associated with decreased risk of metabolic complications.