Type of calories consumed is significant (as well the quantity)
Emerging research suggests that some foods and eating patterns may also make it easier to keep calories in check, while others may make people more likely to overeat. Many of the foods that help prevent disease also seem to help with weight control—foods like whole grains, vegetables, fruits, and nuts. And many of the foods that increase disease risk—chief among them, refined grains and sugary drinks—are also factors in weight gain.