FOS and hydrops fetalis: However, a clear diet effect was detected in the BLA (F(2,20) = 4.0; p = 0.034; Figure 3D) revealing increased neuronal c-Fos expression in the HF group compared to both C (p = 0.028) and HF-C groups (p = 0.018), which did not differ from each other (p = 0.95).