Figure 1. Effect of acute and chronic physical and psychological stresses on the body weights in control and stressed rats. Control (C), physical (Ph) and psychological (Ps) stresses. Values are expressed as mean ± SEM of 12 rats. *p<0.05, **p<0.01 and ***p<0.01 vs. day 1 in the same group; ^†P<0.05 vs. day 30 in the stressed groups; ^#P<0.05 vs. day 30 in the same group.