Gluten-free diet and autism
With many autistic people the bad digestion of casein (milk protein) and gluten leads to the formation of two opiates (narcotic substances such as heroine or morphine), which enter the blood circulation and attack the nervous system. These opiates can be established through special urine tests, because due to the incomplete breakdown of casein and gluten the peptide level in the urine is elevated. Those affected have a higher permeability in the intestine. Therefore, the peptides enter the blood stream and pass through the blood-brain-barrier, where they react with the opiate receptors in the brain and are thereby similar to the effects of morphine and heroine. Even if only few cases so far have been examined, in two thirds of these cases the results of the examinations were positive, which is why in some cases also a low milk and gluten diet or even a milk- and gluten-free diet was prescribed. This led to a significant improvement in the autistic behaviour. Especially language, eye contact, responsiveness and social interest, as well as gastrointestinal problems and allergic symptoms are clearly improved.