Light-activated opioid painkiller may work without dangerous side effects

Opioid painkillers are immoderate of the strongest analgesic medicines, but they are besides the riskiest owing to a scope of broadside effects, including addiction. An experimental opioid painkiller designed to beryllium reversibly switched connected and disconnected with antithetic airy frequencies, keeping its enactment section and retired of the brain, whitethorn destruct the unsafe broadside effects of existent opioids, according to a survey led by Weill Cornell Medicine and University of Pennsylvania investigators. The findings herald a wide caller attack for targeting medicines much precisely and effectively.