Effects of vaping on physical and mental health in at risk populations (VAPE): mixed methods study of motivations for and perspectives on vaping in patients with opioid use disorder BJPsych Open Cambridge Gas Station Heroin' Sold as Dietary Supplement Alarms Health Officials The New York Times Forward Leeds Launches Campaign on the Dangers of 'THC' Vapes Forward Leeds Fentanyl vapor self administration model in mice to study opioid addiction A Deep Dive into Fentanyl Exposure MATTERS Network