According to a new study, people who eat breakfast on a regular basis are less likely to gain weight.
Mayo Clinic researchers followed about 350 adults for 12 years.
They found that regular breakfast-eaters only gained 3 pounds during that time, while people who ate breakfast occasionally put on an average of 5 pounds.
Those who skipped it entirely gained 8 pounds, and it was mostly belly fat.
It still comes down to calories.
But the researchers think eating a healthy breakfast - something with healthy carbs and protein - helps prevent over-eating later in the day.