Complex sentence: Elaine's Specific Carbohydrate Diet (SCD) was created for subjects with various bowel disorders, when when children with Autism were put on the diet, surprisingly they often experienced improvements or complete recoveries.
Split into simpler sentences: Elaine's Specific Carbohydrate Diet (SCD) was created for subjects with various bowel disorders. When children with Autism were put on the diet, surprisingly they often experienced improvements or complete recoveries.