National Institute on Drug Abuse admits cannabis has medicinal benefits . US united states drug can help kill some cancer cells and tumor tumors . Cannabinoids - chemicals in marijuana - currently used in medication to treat cancer patients in both the US and UK . Autoimmune diseases , including HIV and AIDS , multiple sclerosis and Alzheimer 's disease . Inflammation . Pain . disorders . Substance use disorders . Mental disorders .
National Institute on Drug Abuse admits cannabis has medicinal benefits . US guidance states drug can help kill some cancer cells and shrink others . Cannabinoids - chemicals in marijuana - currently used in medication to treat MS patients in both the US and UK . Autoimmune diseases , including HIV and AIDS , multiple sclerosis and Alzheimer 's disease . Inflammation . Pain . Seizures . Substance use disorders . Mental disorders .