This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American
On supporting science journalism
If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.
A recent report in Science Magazineshows that mice that have certain genetic defects can eat exactly the same healthy diet as their genetically normal siblings, yet still gain weight to the point of obesity. This is further evidence that obesity is not necessarily about gluttony and lack of will, but about your body’s metabolic control system.
Gina Kolata of the New York Times wrote an excellent lay summary of the research.