Yet another reason marijuana is awesome: Researchers believe that it might stop breast cancer from spreading throughout the body. A compound called cannabidiol found in the plant could be a non-toxic alternative to chemotherapy, achieving the same results, but without any of the horrible side-effects. Scientists stress that simply smoking pot probably won't do much to fight the cancer, since there isn't a strong enough dose of cannabidiol in marijuana leaves. But it can't hurt, right? Right? [Daily Mail]