Should Canadians care that the US Centers for Disease Control is revising its 2016 guideline for prescribing opioids for pain? That's the question we put to Barry Ulmer, the long-time head of the Chronic Pain Association of Canada. Listen up! In 2017, we found out the hard way that when it comes to "the war on drugs," what happens in the US doesn't stay in the US. With Canada's patients and doctors in the crosshairs again, the CDC is now taking comments on its final draft. Find out how to make your voice heard.