Some amount of belly fat is normal as it helps to cushion the bones and organs and provide protection. There are 3 main reasons according to dietician Nishi Grover why you may accumulate fat around your tummy. Metabolism: According to a report by the Mayo Clinic metabolism slows down as you age and this can cause belly fat. Women are more to belly than men. You may have noticed that some of your friends don’t put on weight despite indulging in an unhealthy diet. The reason for this is their high metabolism rate. If your metabolism is not good you