All right, Lara. I want to give you some new information we learned this morning. It's about breakfast. So many of you probably eating it as we speak but new research may change the way you feel about... See More
All right, Lara. I want to give you some new information we learned this morning. It's about breakfast. So many of you probably eating it as we speak but new research may change the way you feel about that most important meal of the day. Yeah, all right. Let's get some breakfast. Reporter: It has long been known as the most important meal of the day. Eating breakfast gives you the strength and energy you need to make it through the day. Reporter: And a crucial part of losing weight. But recent studies show breakfast isn't necessarily all it's cracked up to be when it comes to short-term weight loss. One study conducted over 16 weeks finding the ago of eating or not eating breakfast did not have a significant effect on weight loss. For the 300 people who participated, that is. Still, some experts say that's no reason to be a cereal killer. I always say all meals are important, but if I had to choose the most important, I would say breakfast is the most important because it sets you up for success for the day. Reporter: Registered dietitian Carrie glassman says there's a sunny side up to eating that meal, increased focus and energy to suppression of hung their could lead to overeating later in the day. When you don't eat breakfast your hunger hormone doesn't have a chance to decrease. Even if it's small tiny breakfast, a little bit of calories tell your hunger hormone to pause. Reporter: The bottom line, don't be so quick to break up with breakfast. So it is the most important meal of the day. I think we all agree especially with this job when you get up early it sets you up with a little energy and hopefully suppress wanting to do what we sometimes do. No angry anchor. If you're watching "Gma," they didn't study what's for breakfast. Full of all your vitamins you need.
This transcript has been automatically generated and may not be 100% accurate.