We'll have to see. There are a lot of natural and experimental painkillers that aren't used either because of side effects or more often because they just don't

We'll have to see. There are a lot of natural and experimental painkillers that aren't used either because of side effects or more often because they just don't work consistently. It just so happens that so far the opioids are the only ones that can handle extreme pain. It's a hard problem to solve