Mice were exposed to ethanol vapor or air for 72 hrs and then euthanized at 0, 4, or 8 hrs following removal from the inhalation chambers. Steroid levels were measured by RIA. Values represent the mean ± SEM for the numbers of animals in parentheses, collapsed across genetic replicate. *P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001 vs. respective air control, Tukey’s post-hoc test