
Defective signaling in the brain can cause overeating of high fat foods in mice, leading to obesity, according to a new article. The body controls food intake by balancing a need for food to survive with a desire for food for pleasure. By shifting the balance between these systems, defective brain signaling can cause pleasure to take over, resulting in overeating and obesity.
http://www.sciencedaily.com/releases/2015/09/150921090147.htm