https://blogs.mercola.com:443/sites/vitalvotes/archive/2004/10/28/Heroin-Users-Smokers-Share-Some-Similar-Brain-Chemistry.aspxWhen non-smokers describe the effect smoking has on their friends and family, typically they use words like "unhealthy" and "addiction." Little did they know how right they are... Based on a comparison of brain scans, researchers found smoking producesenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)