One study looking at the behavior of rats eating large amounts of sugar found that the animals demonstrated signs of severe withdrawal when the sugar was taken away, symptoms like chattering teeth, tremoring forepaws and the shakes. When they were allowed to eat sugar again two weeks later, the rats dispensed it so frantically they ate 23 percent more than before.
But the potential for food addiction may be related to the type of food consumed, says Dr. Kelly D. Brownell, director of Yale's Rudd Center for Food Policy and Obesity. People don't abuse whole fruits and vegetables, she says. "But when a highly processed food is eaten, the body may go haywire. Nobody abuses corn as far as I know, but when you process it into Cheetos, what happens?"
→ Read the article: Craving an Ice-Cream Fix | The New York Times
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Related: Is Sugar Toxic?