The search for the perfect painkiller: Millions of Americans are hooked on painkillers – thousands die as a result. Scientists are striving to design a new, safer generation of opioids

The search for the perfect painkiller: Millions of Americans are hooked on painkillers – thousands die as a result. Scientists are striving to design a new, safer generation of opioids: http://ift.tt/2niuGhv Read more... http://ift.tt/2nol199