Crave no more. Some smokers with damage to the insula (red) suddenly lose the urge to smoke. Credit: Naqvi et al., Science Cigarette smokers who suffer damage to a particular brain region often lose the urge to smoke, according to a new study. Although brain damage is hardly a recommended treatment for smokers who want to quit, researchers say the findings provide important insight into the biological basis of addictive behaviors. Previous research on addiction has implicated the insula, a brain region tucked into a deep fold in the cerebral cortex. In brain scans of cocaine addicts, for example, the...