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assuming that you aren't trolling with this....

> Why is tobacco demonized

Because Tobacco smoke is made up of more than 7,000 chemicals, including over 70 known to cause cancer (carcinogens).

Source: http://www.cancer.org/cancer/cancercauses/tobaccocancer/carc...

How many chemicals make up marijuana smoke? Are any of them carcinogenic?

Do keep in mind that smoking is probably the most harmful of the many common ways marijuana is consumed. Vaporizing or eating cannabis renders zero carcinogenic chemicals from smoke.

For sure. Also smoking is the most obnoxious and invasive to the people around you.

Did you read the article?

Yup. It doesn't address the question of how many chemicals are in cannabis smoke, and how many of those are cancer-causing. That's a distinct question from "does smoking cannabis cause cancer." Aspartame is a carcinogen but Diet Coke does not cause cancer.

http://img2-3.timeinc.net/people/i/2015/news/150209/michael-...

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