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2012.04.05 - HSci 1001 Lecture Review Notes.docx

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Western University
Health Sciences
Health Sciences 1001A/B
Shauna Burke

HealthSci Lecture Review Notes Chapter 16Smoking is the most preventable cause of disease and premature death in Canada o Every cigarette a person smokes reduces their life expectancy by 11mins o Over 37000 people die prematurely each year in Canada due to tobacco usage o Tobacco in any form is unsafeSmoking rates are much higher among Aboriginal populationsPeople with other drug abuse problems and mental disorders typically smoke as well rd 3 hand smoketobacco smoke residue present on objects and can be carcinogenicSecondary reinforcersstimuli that may not be pleasurable but are associated with a different pleasurable stimuliNicotinea poisonous addictive substance found in tobacco and is responsible for many of the effects of tobacco o Nicotine addiction can start within a few days or after years of smoking o May be the most addictive drug o Cigarette tarbrown sticky mass formed when chemicals in tobacco smoke condenseSpit smokeless tobaccohighly addictive due to high nicotine concentrations o Snuffcoarse moist powder from tobacco leaf that is flavoured and sold in small tinsSmall pinch is placed between the lower lip and gum and sucked o Chewwad
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