Major fat- burning discovery - Harvard Health. Published: June, 2. Harvard researchers discover a hormone released by exercise. When you're taking a brisk walk on a beautiful day, what are you thinking about? The sun, the breeze, how good it feels to loosen up the stiff parts. The last thing you're thinking about as you pick up the pace is what's happening to your body chemistry. When you exercise, your body chemistry changes in ways that we only now are coming to understand. Over the past 2. 0 years, scientists have identified natural molecules in all of us that influence our appetite and our metabolism—and, hence, our weight. Now, researchers at Harvard Medical School and elsewhere are identifying the molecules that not only affect our weight, but also cause other health benefits of exercise. Anthony Komaroff, a professor at Harvard Medical School. That's been known for nearly a century.
![]() Written by Tim. Before we get to the list of foods that help burn fat, it’s important to get a basic understanding of how “fat” gets deposited in the first. The top 10 best foods for burning belly fat. Wednesday, March 07, 2012 by: Aurora Geib Tags: foods, burning, belly fat. However, it's not the whole story. Bruce Spiegelman, a Harvard Medical School professor, published a new study in the journal Nature. The study was done in mice, but may well apply to humans. The study showed that exercising muscle produces a hormone called irisin. Most of these fat cells are called white fat cells, and their function is to store fat. When we eat more calories than we burn by exercise, the extra calories have to go somewhere. They're stored partly as fat. Our distant ancestors didn't eat as regularly as we do. Forty thousand years ago on the Serengeti, our ancestors were able to get a serious meal only a few times each week. In between meals, they needed some source of energy. A large part of it came from the fat they stored away after a meal. In 2. 00. 9, studies from Harvard Medical School and elsewhere discovered that humans have not only white fat cells but also brown fat cells. If your goal is to lose weight, you want to increase the number of your brown fat cells and to decrease your white fat cells. Komaroff. Irisin does that, at least in mice. And those newly- created brown fat cells keep burning calories after exercise is over. But it gets better. Irisin's other effects. We've known for some time that a regular program of moderate exercise protects us against type 2 diabetes. For example, a lifestyle program that included regular moderate exercise reduced the risk of developing type 2 diabetes by nearly 6. How does that happen? Irisin may be an important part of the answer. In addition to its effect in creating brown fat cells, it also helps prevent or overcome insulin resistance, which leads to type 2 diabetes. Although Dr. Spiegelman did his studies in mice, he found that humans have irisin, too. While not yet proven, it is very likely that irisin has similar effects in humans. However, the discovery of irisin also could have some very practical and beneficial applications. Theoretically, irisin could become a treatment to help us maintain a healthy body weight and reduce the risk of diabetes. ![]() ![]() However, irisin is not an unnatural pharmaceutical. Rather, it's part of our natural body chemistry. That may make it more potent and less likely to have adverse effects. So there is justifiable excitement about the discovery of irisin, and about the speed with which science is discovering the chemistry of exercise, appetite, metabolic rate and body weight. However, our environment, and its effect on our own behavior, plays a huge role in determining how much we exercise and how much we eat, and therefore how much we weigh.. ![]() ![]()
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