Serotonin as a link between the gut-brain-microbiome axis in autism spectrum disorders SUMMARY: This paper reviews the studies looking at the connection between serotonin production, microbiome, and autism. The first two sections give some basic information on serotonin, its reuptake transporter, and the gut-brain connection. Sections three and four talk about changes in serotonin (either… Continue reading Serotonin as a link between the gut-brain-microbiome axis in autism spectrum disorders