There is a safe, nontoxic drug called naloxone that can instantly reverse opioid overdose and prevent most of these deaths. But the drug war interferes with saving overdose victims in two ways: first, because witnesses to overdose fear prosecution, they often don't call for help until it's too late. Second, because the drug war supports the belief that making naloxone available over-the-counter or with opioid prescriptions would encourage drug use, the antidote is available only through harm reduction programs like needle exchanges or in some state programs aimed at drug users.