In rodents fed high-fat diets, gut microbes boost hunger, trigger obesity

After several hints that gut microbes may be key players in the obesity epidemic, a new study provides a mechanistic explanation of how the intestinal inhabitants directly induce hunger, insulin resistance, and ultimately obesity in rodents.

Source: http://arstechnica.com/science/2016/06/in-rodents-fed-high-fat-diets-gut-microbes-boost-hunger-trigger-obesity/