Figure 1: The effect of dietary soy on the permeability of bloodbrain barrier determined by the brain leakage of Evans blue dye in rats with severe traumatic brain injury (TBI), 48 h post- trauma (n= 6 in each group). Data are presented as mean ±SEM. ***P<0.001: significant difference of SFD + TBI group with SFD + sham group. ## P<0.01: significant difference of SFD + TBI group with SD + sham group. $P<0.05: significant difference of SFD + TBI group with SD + TBI group. SFD: soy- free diet; SD: soy diet.