Given the choice, zebrafish willingly dose themselves with opioids
Zebrafish at College of Utah Well being Centralized Zebrafish Animal Useful resource (CZAR) facility. Credit score: College of Utah Well being Because the opioid disaster escalates, the science behind dependancy stays poorly understood. To handle this want, researchers at College of Utah Well being devised a system that allowed zebrafish, a small tropical fish, to self-administer doses of hydrocodone, an opioid generally prescribed to folks for ache. After one-week, the fish had elevated their drug-seeking habits, even when doing so required them to place themselves in dangerous circumstances. Additional, 48-hours after the final publicity, conditioned fish confirmed indicators of hysteria, a trademark of withdrawal. Printed August 25 on-line within the journal Behavioral Mind Analysis , this research affords a brand new method to discover the organic pathways behind dependancy and withdrawal that might result in new therapies to deal with depen...