The influence of dietary habits on the manifestation of autism spectrum disorder symptoms

Autism is a neurodevelopmental disorder characterized by impaired brain function and development during early childhood, classified under autism spectrum disorders (ASD). Affected children struggle with social interactions (e.g., inability to share attention), exhibit communication difficulties (e.g., failure to use facial expressions to enhance verbal messages), and develop atypical behavioral patterns (e.g., repetitive movements, lack of interest in play). Symptoms typically emerge around the age of three. Currently, boys are diagnosed with autism nearly five times more frequently than girls. Over the past two decades, the prevalence of autism has increased more than tenfold, affecting approximately 1 in 100 children. Comprehensive analysis suggests that the rise in autism rates is attributable not only to the broadening definition of autism but also to environmental changes.

The foods we consume are composed of various components, including proteins, fats, carbohydrates (sugars), minerals, and vitamins. The digestive process allows each cell to absorb these components. In the majority of children with autism spectrum disorders, there is a deficiency in digestive enzymes, particularly those responsible for breaking down casein – the milk protein – and gluten – the grain protein. As a result, these proteins are only broken down into peptides, which would not be absorbed in healthy individuals. In most cases, increased intestinal permeability is observed, leading to the entry of harmful peptides into the bloodstream and organs, including the brain. Gut dysbiosis is primarily caused by the presence of yeasts, including Candida albicans. The pathogens are opiates (gliadomorphins and casomorphins), which act similarly to morphine in the brain, exhibiting psychoactive properties. When they reach the brain, they can produce an effect similar to that of drugs. Children may become addicted to certain foods, as confirmed by parents of autistic children. Children often restrict their diet to milk, bread, pizza, cookies, cheese, or yogurt. Exposure to these foods can lead to learning difficulties, concentration problems, and verbal and nonverbal communication challenges.