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20
votes
2answers
805 views

Does smoking one joint give as much exposure to cancer-producing chemicals as smoking four to five cigarettes?

I was linked to a website from Parenting Stack Exchange called drugfreeworld. I then browsed around a bit, and I found this interesting line on the Marijuana page: Aside from the discomfort that ...
19
votes
2answers
6k views

Does smoking cigarettes cause lung cancer?

My friend is a smoker. His dad is a doctor. Both claim there is no firm proof that cigarettes cause lung cancer. This article makes a similar claim -- in particular that smoking cigarettes is not ...
17
votes
3answers
68k views

Do organic cigarettes, such as American Spirit, contain less radioactive material than other brands?

Many cigarettes contain radioactive polonium from the use of phosphate/apatite fertilizers. The National Institutes of Health lists tobacco as by far the largest source of radiation for the American ...