Smoking and Lung Cancer

Smoking and Lung Cancer

Introduction

Lung cancerous diseaseous diseaseous disease is the most widespread origin of death from cancerous diseaseous disease in the world. The total number of cases is estimated to be 1.2 million annually and is currently increasing. The foremost cause of lung cancerous diseaseous disease is tobacco smoking, primarily of cigarettes. In populations with prolonged cigarette use, the proportion of lung cancer cases attributable to cigarette smoking reaches 90 percent (Spitalnic, 2006). The length of fuming is the strongest determinant of lung cancerous diseaseous disease in smokers. Early onset of smoking and a prolonged period of smoking ...