cannabinoids can shrink tumours such as those in breast cancer. marijuana is non toxic for your body just like vitamin D that your body makes. Vitamin D made from sun energy protects your genes from damage due to toxins in your body. But too much of vitamin D is also toxic for the body. So too much of anything or “athi” of anything is tamasik. Bhang is the medicine of Vaidyanath, our guru shiva the god of tantra. tantra is science not philosophy ! Use and dont abuse. booom shankara !!