... ischemic heart disease and strokes; about 80% of myocardial infarctions before the age of 50 years; and 70% of chronic lung diseases (smoker's lung), are caused by tobacco smoking (Allard et al., 1998). The tar in tobacco is responsible for the development of cancer. The most important malignancy related to smoking is lung cancer. The 5-year survival rate is only between ... 5 and 10%. A substantial proportion of cancers in the mouth, throat, esophagus, urinary bladder and pancreas are also caused by tobacco smoking (Allard et al.) The most disabling chronic lung disease related to smok...

• Word Count: 2015
• Approx Pages: 8
• Grade Level: Undergraduate