As the days went by, the combination of workout and diet left me both charley-horsed and starving, longing for the satiation that only sugar and grease provide.

CNN: Healthy habits: A month of living perfectly

The studies, one on mice and one on people, have identified two hormones that seem to fine-tune the perception of sweetness, and thus regulate the intake of sugar independently of the previously known mechanism of satiation that is located in the brain.

ECONOMIST: Hormones influence how sensitive taste buds are to sugar