Trying to quit smoking? The devil is in the drink

时间:2019-03-06 07:13:03166网络整理admin

If drinking and smoking seem inextricably linked, perhaps it’s because in the brain’s pleasure centre they actually are. Alcoholics often have a particularly hard time quitting cigarettes. Traute Flatscher-Bader at the University of Queensland in Brisbane, Australia, and colleagues wondered why this should be. So they did a post-mortem analysis of gene expression in the brains of smokers, alcoholics and those who had done both during their lives. They found that a group of genes in the nucleus accumbens – an area involved in creating pleasurable feelings – were expressed most strongly in their group of alcoholic smokers (Alcoholism: