Earlier quoted context omitted.
I hope you're not referring to marijuana, it can't truthfully be said that it's harmless, not even close. And any drug can be harmful, just look at the side effects of Tylenol.
I have smoked and ingested marijuana for over 20 years and my doctor says I am in absolutely wonderful condition for my age. >marijuana makes you smarter, stronger, and happier Prove me wrong. And I was high when I wrote this. Zero mistakes, flawless use of internet comment section.
You seriously think that byproducts of incomplete combustion are harmless? Even wood smoke is terrible for your health. So is tobacco smoke and marijuana smoke and just about anything else that you can burn.