PSY 283 Study Guide - Final Guide: Nicotinic Acetylcholine Receptor, Active Ingredient, Tegmentum
14 Jan 2020
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Document Summary
Smoking is the single greatest cause of preventable death. Ethnicity (native americans have high rates of smoking; asian-americans have low rates of smoking) Age: smoking prevalence is lowest in those 65 years and older. Ses: people living below the poverty line have higher smoking rates than those who are wealthier. Regardless of ses, smoking is inversely related to net wealth. Higher level of education=lower level of smoking. There are 599 added ingredients in cigarettes, and more than 4000 chemicals released in cigarette smoke (50 of which are known carcinogens) Active ingredient in cigarettes which works in the reward pathways of the brain. Nucleus accumbens=increases release of dopamine, which makes you feel good. Acts on the same neurotransmitters and reward centers as amphetamines and cocaine. When a person smokes, their level of nicotine rises slowly and stays steady. People smoke to maintain their blood level of nicotine.
