You may pride yourself on the fact that you stay away from drugs, but if you eat too much, you may be an addict–to FOOD. Sweets and high-fat foods affect the brain the same way drugs do–and like drugs, eating too much of these can cause permanent changes in the parts of the brain that control our eating behavior. Both animal and human brains have special pathways that make us feel good when we eat food with lots of calories.read more