There are many medical opinions on this subject at Webmd and the Mayo Clinic. However, you should also read the advocates side also as they have some good points also. I personally don't believe in all of the medical studies as I think they are biased. Cancer patients have had great success with marijuana s I myself can attest too. Depends on how you interpret the medical side and the advocates side.
However, its consumption can affect our body adversely yet people carry a myth that cannabis can only harm us instead it has the ability to fight against such a dangerous disease including cancer as well. Implementing on my friend's recommendation, I decided to mail order weed in Canada. Seriously, it helped me a lot. If you take it in limited amount then it doesn't affect your health.
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