The cause of death for rapper Gustav Ahr, also known as Lil Peep, was the toxic effects of the synthetic opioid fentanyl and alprazolam, commonly sold as Xanax. The 21-year-old rapper's death on his ...
Grünenthal has moved its painkiller resiniferatoxin into phase 3 trials in patients with osteoarthritis, hoping to find an option that sidesteps the side effects and addictive potential of opioid ...