(UPI) – A study published Wednesday indicates that low levels of a key brain chemical among overweight patients with high-fat diets is responsible for a loss of pleasure from food.

Researchers from the University of California-Berkeley say they may have found why people with obesity have been shown to take less pleasure in eating fatty foods than those of normal weight. The culprit, they say, is a deficit of the neuropeptide neurotensin which is linked to the pleasure activator dopamine. (Read More)