Janet Rankin, Ph.D., FACSM, an expert in nutrition and exercise, supplemented the bountiful scientific evidence with a simple observation: "A practical response to the claim that exercise makes you eat more and gain weight is to look around. If this were the case, wouldn't those who regularly exercise be the fattest? Obviously that isn't the case."

ACSM experts stressed that, particularly when so many struggle with the health consequences of overweight and obesity, it is important that Americans have accurate information based on science and evidence.

Source
American College of Sports Medicine

http://www.medicalnewstoday.com/articles/160832.php