'Gluttony gene? may be behind big appetites

[Northerner]

A single gene's effect on the brain can result in non-stop eating, research has shown. Scientists believe the "gluttony gene" may be responsible for cases of obesity caused by out-of-control appetite.

http://www.independent.co.uk/news/science/gluttony-gene-may-be-behind-big-appetites-7576831.html