Experimental ‘nano-painkiller’ is more effective than morphine – and low addiction risk

Driven by opioid addictions, over 70,000 americans alone died of drug overdoses in 2017. But 1.5billion people worldwide live with chronic pain – and there are no treatment options as effective as opioids. So the University of Delaware and France’s Paris-Saclay University re-engineered a compound in the body to treat pain with less addiction risk.