Belly fat is a stubborn problem that affects all of us. Excess belly fat can be very harmful as it can cause many diseases. Weight gain causes fat storage in the stomach region. As the obesity increases, the risk of diseases increases manifold. You can check the waist girth with the help of a measuring tape. Women should have the waist size below thirty-five inches while men should have waist below forty inches. Belly fat is present not only in obese people but also in people who are thin. The main cause of increase in belly fat is inactivity. We will tell you some ways of fighting belly fat. 12 tricks to help lose belly fat are as follows.