Symptoms of Mitochondrial Dysfunction: Developmental delay or regression, Language impairment, Social impairment, Intellectual disability, Neuropsychiatric symptoms (ADHD, anxiety, OCD, depression), Seizures, Headaches, Hearing impairment, Weakness, Small stature, Fatigue, Gastrointestinal symptoms, Endocrine disturbance, and many others. Research in mitochondrial dysfunction in ASD has grown in recent years, and there are now many research studies linking mitochondrial dysfunction to ASD. In 20