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These medications may affect the way the brain responds to dopamine signals in these areas, decreasing the overactive reward response that drives impulsivity and cravings for substances, she told Healthline

Bariatric surgery opens in new window , Medicare.gov, last accessed April 24, 2026.

Rights and permissions About this article Cite this article Victorino, D.B., Nejm, M., Guimares-Marques, M
PMID 19196887
And not all studies found the same link, so the evidence is mixed
When GLP-1 drugs are covered for diabetes treatment, almost all plans use at least one utilization management strategy to control costs, such as prior authorization or quantity limits
