PSYC62H3 Chapter Notes - Chapter 7: Nicotinic Acetylcholine Receptor, Cotinine, Nucleus Accumbens
Document Summary
Nicotine central psychoactive ingredient in tobacco. When tobacco is chewed tar [small nicotine containing tobacco particles] enter the body. Cigarettes are the most common tobacco product. Many cigarettes contain a filter of cellulose acetate, which reduces the tobacco inhaled. Depending on the size and brand, each cigarette contains 1-2 mg of nicotine. Cigars generally contain more nicotine than cigarettes. Water pipe/hookah smoking inhaled tobacco smoke first passes through a bowl of water. Many users believe that this reduces the harmful effects of tobacco, studies of water-pipe exposure don"t support this belief. Smokeless tobacco - any form of tobacco intended for absorption in the mouth (ex. chew, snuff, and dipping tobacco) Dissolvable tobacco = sweetened strips, sticks, or pellets that dissolve in the mouth. Contains amounts of nicotine similar to those found in cigarettes, ex. a strip contains. 0. 6mg of nicotine and a stick contains 3. 1 mg of nicotine.
