Complex sentence: The Autism Research Institute and advocacy groups recommend the diet as a treatment for autism and related disorders, despite the fact that studies supporting these claims have been criticized as having significant flaws, leading some scholars to conclude the data are inadequate to guide treatment recommendations.
Split into simpler sentences: The Autism Research Institute and advocacy groups recommend the diet as a treatment for autism and related disorders. Studies supporting these claims have been criticized as having significant flaws, thus leading some scholars to conclude the data are inadequate to guide treatment recommendations.