Although we have not specifically investigated autism, Amish people have shared with us accounts of people within their community who appear to have autism. The only thing we know for certain is that the true prevalence of autism among the Amish remains unknown. AdvertisementRelated Story The Trump administration’s Soviet approach to autism policyTaken together, these factors underscore the complexity of making cross-cultural comparisons in autism prevalence. Expanding autism research in underrepresented populations like the Amish may offer valuable insights into both the genetic and environmental contributions to neurodevelopmental conditions. My group at the UMD School of Medicine has been studying approximately 43,000 individuals in the Lancaster, Amish community.