It is already on the market to treat rheumatoid arthritis and Crohn's disease, a gastrointestinal disorder.

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Horvath K, Perman JA. Autistic disorder and gastrointestinal disease.

FORBES: Anti-Vaccine Activists Apparently Immune To Science

Ileocolonoscopy in Children with Autistic Spectrum Disorder and Chronic Gastrointestinal Symptoms.

FORBES: Anti-Vaccine Activists Apparently Immune To Science

Horvath K et al. Gastrointestinal abnormalities in children with autistic disorder.

FORBES: Anti-Vaccine Activists Apparently Immune To Science

Jackson dropped out of sight last spring and his office later said he was being treated at the Mayo Clinic for a mood disorder, depression and gastrointestinal problems.

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Valicenti-McDermott MD, McVicar K, Cohen HJ, Wershil BK, Shinnar S. Gastrointestinal symptoms in children with an autism spectrum disorder and language regression.

FORBES: Anti-Vaccine Activists Apparently Immune To Science