Belly bulge: Causes and treatments

Weight gain is a simple explanation for a belly bulge, but there may be other causes. Some people carry a belly bulge for life while others notice growth over time.
In this article, we examine the different causes of belly bulge and their treatment or prevention. We also assess when to see a doctor.
Whether a person has a moderate weight or obesity, their body fat can distribute in several ways.
Subcutaneous fat makes up the majority of belly fat. This sits just below the skin, and is pinchable.
However, visceral fat is another type of belly fat that lies inside the abdominal cavity between the organs. Research suggests it has links with several diseases, including hypertension, heart disease, and type 2 diabetes.
While visceral body fat mechanisms are unknown, one study reports that genetics play a significant factor.
Weight gain is a serious problem in the United States. The