Birth-Time Epigenetics and Gut Bacteria Linked to Autism and ADHD Risk, Some Microbes May Offer Protection

A birth-time epigenetic setting appears to steer gut microbiome development in infancy, and specific epigenetic–microbiome combinations by age three are associated with autism and ADHD signs; certain bacteria, notably Lachnospira pectinoschiza and Parabacteroides distasonis, may be protective, suggesting future probiotic strategies while factors like delivery mode, antibiotics, siblings, and breastfeeding shape early microbial communities.