Fig. 1

Mean immobility time (a) and mean struggle time (b) in stressed non prediabetic (NPD) and prediabetic (PD) rats (n = 6, per group). ACTH (c) and Corticosterone (d) plasma concentrations in stressed non prediabetic (NPD) and prediabetic (PD) rats (n = 6, per group). Values are expressed as mean ± SEM. *p < 0.05; **p < 0.01; ***p < 0.001 denotes comparison with NPD