13. Epidemiology and prevention of lung cancer
- Epidemiology
- Second most common cancer for each gender
- Causes most cancer deaths in both genders
- Mainly affects elderly
- Males > females
- Etiology
- 90% caused by smoking
- Half of all smokers in hungary will die as a result of smoking
- Nicotine
- PAH
- N-nitrosamines
- Non-smoking causes
- 2nd hand smoke
- Radon
- Natural in soil
- Air pollution
- Occupation
- Asbestos exposure
- 90% caused by smoking
- Prognosis
- 5 year-survival 15%
- Mortality 92%
- Prevention
- Beta carotene increases cancer risk
- Stop smoking
- Reduce air pollution
- Prevent occupational exposure