Why Gain Weight When I Exercise program

The problem, most scientists agree, is that exercise makes us want to eat. Many studies have shown that if people start a new exercise program, their bodies begin to pump out much higher levels of various hormones that increase appetite. This reaction seems to be most pronounced if someone starts a new, moderate, aerobic exercise routine. (There are hints in some studies that intense exercise, such as interval training, may dampen appetite. But the relevant studies have been few and small.