“We’re talking about a class of medications that could have efficacy in treating a variety of addictions: cocaine, opioids, nicotine, alcohol, all different addictive drugs with very different pharmacology,” said Heath Schmidt, a neuroscientist studying addiction at the University of Pennsylvania School of Nursing and School of Medicine, who has published studies showing older GLP-1 drugs decrease cocaine, opioid and nicotine use in rodents. Semaglutide may be more potent because it is better than older drugs at reaching the brain, or because it is longer-lasting than older drugs, Schmidt said.”

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