highly significantp < 0.001
Statistical significance was defined as p < 0.05 (significant), p < 0.01 (highly significant), and p < 0.001 (extremely significant). 3 Results 3.1 Effects of YHD on body weight and depressive-like behaviors in PCPA model mice To evaluate the effects of YHD on PCPA-induced depression model mice, we first monitored body weight changes for 6 days post-modeling.