ORGA-201 Lecture Notes - Lecture 3: Cyp2A6, Dopamine Receptor D2, Sidestream Smoke
25 Mar 2016
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Document Summary
List actions to combat smoking & avoid ets. Is the leading cause of preventable death in canada. 21% of the canadian population (nearly 5. 1 million people) The primary reason people continue to use tobacco is that they have become addicted to a powerful psychoactive drug: nicotine. At low doses, nicotine acts as a stimulant; at high doses, nicotine acts as a mild sedative. Half of all canadian smokers would like to quit smoking. Of those who try to quit smoking, 60% typically relapse in the irst three months and 75% relapse within six months. Withdrawal symptoms can include severe cravings, insomnia, confusion, tremors, diiculty concentrating, fatigue, muscle pains, headache, nausea, irritability, anger, and depression. Genetic factors may be more important than social and environmental factors in smoking initiation and in the development of nicotine dependence. Tobacco adversely afects nearly every part of the body. At least 43 chemicals in tobacco smoke are linked to the development of cancer (carcinogens, cocarcinogens)
