cancer causing chemicals in cigarettes How does smoking cause cancer? Smoking and cancer | Fresh

Before the 1980s, no well-dressed chamber could be without the ubiquitous ashtray or cigarette table

2 Affiliations: University of Basrah Basrah Health Directorate Issue: Vol 69, No 2 (2024) Pages: 187-192 Section: SHORT COMMUNICATION URL: DOI: EDN: ID: 16603 Cite item Full Text Abstract Introduction

Damage to the lungs and a decline in lung function are directly proportional to the number of packs of cigarettes smoked per day multiplied by the number of years smoked, a metric known as pack years. The longer years in the pack, the more probable the lungs may be permanently damaged

66 people were not randomised either because they did not complete the survey or because we had reached the quota for a mental health status group