Fig. 2From: Shedding light on biological sex differences and microbiota–gut–brain axis: a comprehensive review of its roles in neuropsychiatric disorderscopyright permission from Elsevier under License number 5158380038251. https://www.sciencedirect.com/science/article/abs/pii/S0361923021000988.)Gut-microbiota pattern changes associated to sex and neuropsychiatric disorders. (Letters in blue colors are associated with autism spectrum disorder, purple with major depressive disorder, and orange with schizophrenia.) (Reprinted from Manosso et al. [355] with Back to article page