| ▲ | throw-qqqqq 3 days ago | |
> I thought that smoking and bad dietary/exercise habits were the main factors While that is true, PM2.5 is still a major cause of lung cancer in non smokers, see e.g. | ||
| ▲ | oersted 3 days ago | parent [-] | |
I see from your sources that lung cancer in non-smokers is still one of the top causes of death, and of course air-pollution is a primary cause of that. Good to know. | ||