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Chapter 16

Textbook Review Chapter 16

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Western University
Health Sciences
Health Sciences 1002A/B
Anita Cramp

Chapter 16 Textbook Review Tobacco: The leaves of cultivated tobacco plants prepared for smoking or chewing or for use as snuff. - A lot of young people are smoking tobacco - People who abuse other drugs or have mental health problems (i.e. depression) are more likely to use tobacco - Primary attraction seems to lie in its ability to modulate everyday emotions - Builds up a tolerance - Who Starts: • A parent or sibling uses tobacco. • Peers use tobacco. • The child comes from a blue-collar family. • The child comes from a low-income home. • The family is headed by a single parent. • The child performs poorly in school. • The child drops out of school. • The child has positive attitudes about tobacco use • If their role model does - More chemicals enter body in last third of cigarette because the filter has already burned away - Leads to cardiovascular disease, cancer, Chronic Obstructive Pulmonary Disease (refers to a group of lung diseases that block airflow and make breathing difficult), and respiratory damage - Leads to health, cosmetic and economic concerns; Ulcers and impotence (blood flow) are common - Reduce life expectancy and increased risk of chronic disease - Forms: spit, cigar, pipes, clove (tobacco made with chopped cloves, bidis (cigarettes imported from india) Nicotine: A poisonous, addictive substance found in tobacco and responsible for many of the effects of tobacco - At low doses, nicotine acts as a stimulant or a sedative - In adults nicotine enhances alertness, concentration, info processing, memory and lea
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