>"So what about 35 years of daily dope smoking?" he asked. They pointed to studies suggesting that cannabis may actually shrink tumors. >"Listen," McKenna told

>"So what about 35 years of daily dope smoking?" he asked. They pointed to studies suggesting that cannabis may actually shrink tumors. >"Listen," McKenna told them, "if cannabis shrinks tumors, we would not be having this conversation." That said the reason they are doing these mice trials is because there have already been several cases of it working in humans.