Assumptions about metabolism are being overturned -- and may lead to a better understanding of chronic disease and aging, as well as obesity.

The article provides information on the several medical condition such as chronic disease and obesity, which is associated with human metabolism system. It mentions the views of Herman Pontzer, associate professor at Duke university in North Carolina, U.S., on the benefits of maintaining number of calories for healthy metabolism. It also mentions paper published in Science by Pontzer and other authors on the same.