Tobacco Addiction: Nicotine and Other Factors, Animation

Of the many harmful chemicals found in tobacco products and cigarette smoke, nicotine isthe major substance responsible for tobacco addiction.Nicotine acts to increase the amount of a neurotransmitter called dopamine in the brainreward pathway, which is designed to “reward” the body with pleasurable feelings for importantbehaviors that are essential for survival, such as feeding when […]