BOTH are natural. Both marijuana and alcohol can be seen in nature at any time. When it comes right down to it, neither one is GOOD for your body, but if you're looking for the euphoric getaway, you basically have to pick your poison. Literally.
A lot of people who suffer neurological pain, arthritic pain, plus many other conditions, including but not limited to cancer would argue your point re cannabis being 'not good' for your body.
To compare the two drugs in point form:
Long term Alcohol abuse will destroy your liver. Plus, there are at least forty recognised diseases and/or conditions that have been recognised as caused by long term alcohol abuse. Alcohol overdose can kill you.
Long term cannabis abuse can lead to withdrawn personalities, or psychic disorders (
only in people pre-disposed to these condition, ie-genetically). There are no recognised disorders caused by long term cannabis abuse other than upper respiratory tract problems such as a bronchial cough. If cannabis is taken as food, this condition does not present. Cannabis overdose causing death is for all intents and purposes, impossible. There were reports in the late 1800's of someone in India or Nepal dying after 'eating' too much hashish.
Alcohol has no medicinal use other than as a base antiseptic or preservative.
Cannabis has a 5000 year history of recognised medicinal uses and was a common medicine in the Western world up until the late 1800's, early 1900's.
Latest research suggests that cannabis could prevent or halt cancers (eg colon cancer) and may even be able to cure certain brain (GBM) cancers. There are people taking daily oral doses of Hash Oil that are reporting shrinking or disappearing cancers. Cannabis has recently been recognised as one of the most effective neurological (nerve) pain relievers ever tested. I could go on...
In terms of a 'euphoric getaway', I'd suggest that if people were given a choice between a drug that could get you high, but also rot your liver or kill you if you took too much, and a drug that could get you high and if you took too much you'd either have a good sleep or at worst throw up, then I think most would choose the latter.
For many of us, cannabis is an effective medicine. The fact that we can also use it safely as a recreational drug that makes us feel good is just an added bonus.
if u can say that lol) than the whole complex process that involves alcohol production
well technically ganja is more natural then fried chicken cause the chickens are fed steroids and its fried in grease and whatnot...
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Yup......................... 
