El 64 % de estas muertes estuvieron relacionadas con opioides sintΓ©ticos, principalmente fentanilos fabricados de manera ilΓ­cita (illicitly manufactured fentanyls, imf) (mayo de 2020-abril de 2021)2 Ò€¦ National institute on drug abuse - intramural research program neuroimaging research branch archives - nida irp National institute on drug abuse - intramural research program medication development archives - nida irp

Recently, fentanyl has emerged as a recreational drug and its overdose has been linked to numerous deaths in Ò€¦