I mean why not?
It is really not all that bad...
It obviously have medical purposes
It is practically impossible to overdose
Marijuana is not addictive
As dangerous as Heroin and LSD.... no...
The only gateway Marijuana would lead you to is the fridge...
If marijuana makes you dumb, you're dumb for thinking that
Tobacco and Alcohol is waaaaaay more toxic than marijuana
Tobacco lobbyist, Alcohol lobbyist, Pharmaceutical lobbyist are the ones fighting the legalization of marijuana to protect their own profits. Considering that we live in a country where the economy thrives from competition, yet these companies are pumping money into to the government to prevent competition to take place.
Remember that the only thing dangerous about marijuana is getting caught with it
[url]http://www.buzzfeed.com/craigsilverman/heres-the-truth-about-6-common-claims-about-the-dangers-of-p?utm_term=.kyVya8kom#.ibRL7lb5k[/url]
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In my past experience, marijuana isn't a gateway to more addictive drugs per say, at least no more then alcohol or tobacco in fostering addictive behavior. But what it does so is introduce buyers into the underground/black market (which ever you'd prefer to call it), because the only way for a majority of people to acquire it is illegally. And once you are in contact with that market, it opens the door to other illicit substances such as heroin, cocaine and methamphetamines. So in that sense it generally acts as a gateway, but it is by no means a definitive precursor to harder addictive drugs. Legalizing would help to eliminate this problem. But that isn't all that need to be considered before it were to happen. There are a ton of other factors legalization would have an effect on.