A new study, published in the journal Proceedings of the National Academy of Sciences, has uncovered significant sex-related differences in the brain’s subcortical gray matter. These differences were found in areas like the hippocampus, thalamus, and amygdala — regions critical to functions such as memory, emotion regulation, and sensory processing. The findings not only contribute to our understanding of brain anatomy but also hint at possible connections between these structural differences and varying susceptibility to mental health disorders. Sex differences in mental health are well-docum…