However, although it has been shown to have some negative health effects, in many cases it has also been shown to be medically beneficial. Regardless, the act of putting a harmful or helpful drug into your body is something no one should be able to decide for another person. Therefore it should be at the user's discretion whether or not they wish to put smoke in their lungs or not, and this personal freedom should not be infringed. The common argument against this is that smoking weed endangers not only the user but others as well. Yes, there is violence related to marijuana just like any other illegal substance. However, this is largely due to the fact that it is an illegal substance and much of the violence is linked to the trafficking of weed and not its consumption. Therefore, this is actually another example of the advantage of legalizing marijuana and the disadvantage of maintaining it as a black market