because overdoses cannot be cut, narcaine is an effective tool >> it wouldn't hurt to have in case ofemergency. sdwroo the drug that comes from the vv leads people into hirn >> that doesn't reduce our need to protect people >> reporter: for boston, a nationwide narcan program can't arrive fast enough >> i have lost friends to overdoses. some of them were the biggest addicts i had met. they were also fathers and brothers and there were sons and best friends. to lose something like that because the government hasn't come around yet, it is ridiculous >>> a complicated strain to answer this story. let me focus on one with you. what do you say to patients who say, look, opioids help me to live a better life. is there an alternative for them? >> yes. what i say to them is, first of all, i validate that they have pain and that we would not want to ignore treating their pain, but what i let them know is that new information has come to light such that we know there are now risks with chronic opioid use, that we hadn't reldz before. obviously, one of the risks that we've talked about is the ri