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Upper graph, The increase in cortisol (percent over baseline) during ghrelin infusion is prevented by astressin B (*, P < 0.05). Overall mean baseline cortisol (100%) was 26.8 ± 1.0 μg/dl. Lower graph, The GH increase after ghrelin is not prevented by astressin B; responses in the two groups are not statistically different but are significantly higher than in the saline alone or saline plus astressin groups (*, P < 0.05). Overall mean baseline GH (100%) was 2.6 ± 0.71 ng/ml.
