Whatever if it is good for human then it should be count as legal.Cannabis is illegal all over the world for taking it as drugs.But recently scientist has found some good use of Cannabis.If it can be used as a life saving drug then all the government should rethink about the law about the use of Cannabis.But it doesn't mean that every one can have it as much as he wants.It's still harmful for human.Over use of Cannabis will do some damage to the people.