The Role of Oxidative Stress in Autism Spectrum Disorder: A Narrative Literature Review We talk a lot about behaviors and developmental support in autism, but what about what's happening on a cellular level? Many children on the spectrum have disruptions in glutathione metabolism, leading to What Causes Autism? Vitamin A Deficiency & the Developing Brain Oxidative stress response and NRF2 signaling pathway in autism spectrum disorder ScienceDirect Studies show children with autism have significantly lower levels of glutathione, the body's master antioxidant. Without enough glutathione, the body struggles to eliminate toxins, making it harder to cope with everyday