Intranasal Insulin for Autism Spectrum Disorder in Children and Young Adults Aged 4 to 21 Years

autism spectrum disorder, autism spectrum disorder (asd), autism spectrum disorder high-functioning, autism spectrum disorder with absence of functional language, autism spectrum disorder with impaired functional language, autistic disorder of childhood onset with full syndrome, autistic disorders spectrum, autistic disorder, autistic disorder in children and adolescents, neurodevelopmental disorders, neurodevelopmental disorders (ndd), neurodevelopmental disorders and developmental abnormalities