“…:Chronic ethanol ingestion by … high‐affinity β‐adrenergic agonist binding sites and a significant decrease in activation of adenylate cyclase by guanine nucleotides and β‐adrenergic agonists in the … was noted in the total number of β‐adrenergic receptors, as defined by the binding of the antagonist [125I]iodocyanopindolol.”