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This study was a retrospective, case-control study that compared smoking habits of 684 individuals with bronchogenic carcinoma to those without the condition. [12] The survey included questions about smoking: starting age, 20 year tobacco consumption, brands used; as well as inquires about exposure to hazardous agents in the workplace, alcohol use, and causes of death for family members.
The association of smoking with lung cancer and COPD are among strongest, both in the public perception and etiologically. Among male smokers, the lifetime risk of developing lung cancer is 17.2%; among female smokers, the risk is 11.6%. This risk is significantly lower in nonsmokers: 1.3% in men and 1.4% in women. [26]
People who have smoked cigarettes account for 85–90% of lung cancer cases, and 15% of smokers develop lung cancer. [97] Non-smokers' risk of developing lung cancer is also influenced by tobacco smoking; secondhand smoke (that is, being around tobacco smoke) increases risk of developing lung cancer around 30%, with risk correlated to duration ...
Dr. Bryant Lin, a Stanford University School of Medicine physician and professor, has never smoked, but in early May 2024, he received a life-altering diagnosis: stage IV lung cancer. Lung cancer ...
Smoking is the leading cause of lung cancer, but not all people who get lung cancer are smokers. In fact, 10% to 20% of people who get lung cancer have never smoked, according to the U.S. Centers ...
A new paper, sponsored by a tobacco and e-cigarette company, tested both e-cigarette vapor and cigarette smoke on lung cells.
A major conclusion of the study is, for example, that smoking decreases life span up to 10 years, and that more than 50% of all smokers die of a disease known to be smoking-related, although the excess mortality depends on amount of smoking, specifically, on average, those who smoke until age 30 have no excess mortality, those who smoke until ...
The health effects of tobacco had been debated by users, medical experts, and governments alike since its introduction to European culture. [1] Hard evidence for the ill effects of smoking became apparent with the results of several long-term studies conducted in the early to middle twentieth century, such as the epidemiology studies of Richard Doll and pathology studies of Oscar Auerbach.