MBP and colitis: In this group of autistic children, 7/25 (28%) had thyroiditis, 8/25 (32%) had colitis, 8/25 (32%) had PANDAS (Pediatric acquired neurological disorder associated with streptococcus), 20/25 (80%) had allergic diseases, and 7/25 (28%) were positive for serum antibodies to myelin basic protein.