Certain drugs that are illegal, such as marijuana have proven to be much safer than some legal drugs, such as alcohol. Marijuana is not physically addictive and has virtually no lethal overdose, unlike alcohol. If it were legalized it may help treat alcoholism, since more may use marijuana as a substitute. Also, in the future strictly law-abiding people who feel like they need a fix, but think alcohol is too dangerous will have an alternative so legalizing marijuana may make alcohol use decrease. Since it is far less addictive and far less dangerous this would be a good thing.