tag:blogger.com,1999:blog-85745264749184727422024-03-08T08:43:36.900-08:00flaviaribeiro82Someone has been addicted to cigarettes, the nicotine contained in tobacco stimulates the brain to release substances that give a sense of comfort (dppamin). An addict when not smoking, experiences nicotine withdrawal symptoms such as: discomfort, difficulty concentrating, irritability. To maintain a sense of comfort, the urge to smoke again arises, this is the beginning of the addiction process.Christalline Evi Dinantikahttp://www.blogger.com/profile/03796908276915141491noreply@blogger.comBlogger0125