{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chapter 12 – Alcohol and Tobacco

Tract pipes people who only smoke pipes and do not

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: likely to have a heart attack Heart Disease and Stroke • heart attack – leading cause of death in smokers • doubles risk of heart disease • smokers who suffer heart attacks – only 50% chance of recovering • 70% higher death rate from heart disease • • • • • • heavy smokers: 200% higher death rate smoking more dangerous than high BP and high cholesterol smoking causes cardiomyopathy – weakens heart’s ability to pump blood – speculate either nicotine or CO has direct toxic effect other diseases: aortic aneurysm, pulmonary heart disease progression of atherosclerosis among former smokers – faster pace than nonsmokers risk of stroke increase 2- 3 times; quitting reduces risk considerably Cancer • the more people smoker, the longer, and the earlier they start, the more likely to develop lung cancer • smoking two or more packs a day: lung cancer mortality 15- 25 times greater than nonsmokers • stop before cancer has started: lung tissue tends to repair itself • depressed smokers more likely to develop cancer Respiratory Problems • impairs respiratory system • breathlessness, chronic cough, excess phlegm production • 18 times more likely to die of non- cancerous diseases of lungs • COPD – chronic obstructive pulmonary disease – emphysema and chronic bronchitis o progressive limitation of flow of air into and out of lungs o emphysema: limitation result of disease changes in lunch tissue, affecting bronchioles and walls of alveoli; eventually many alveoli destroyed, lungs less able to bring in oxygen and remove CO2, heart has to work harder to deliver oxygen o chronic bronchitis: bronchial tubes in lungs become inflamed, thickening walls of bronchi and production of mucus increases – narrowing air passages Other Problems • gum disease, lose significantly more teeth • stomach and duodenal ulcers • mouth, throat and other cancers • cirrhosis of liver • worsen symptoms of allergies, diabetes, hypertension, peptic ulcers, disorders of lungs or blood vessels • men: 10 cigarettes or more / day: sexual impotence • miss work more than nonsmokers • increases likelihood of anxiety, panic attacks, social phobias Smoking in Canada • most serious and widespread addictive behaviour in world • • • major cause of preventable deaths Canada 2007: 5 million people smoke rate of daily smoking has declined over past two decades Tobacco Use on Campus ...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online