Something that can affect behavior in children with autism more than you might expect is constipation. It might seem like a minor issue, or we might not even realize it is an issue, because we sometimes hear from doctors that only 3 bowel movements a week is within the range of "normal." But in children with autism, symptoms like aggression, self-injurious behaviors (such as head-banging or hitting), irritability, anxiety, meltdowns, difficulty staying asleep, or toe-walking

Something you'll immediately encounter as you wade into the world of autism biomedical treatment is the role of diet. Some people will claim diet is the very first step you need to take. Change everything, take away all of your child's favorite foods and replace them with things you're not even sure they'll eat. It might be doable. But it might be daunting. Now, don't get me wrong, diet can be transformative on its own. For some people, it's THE thing that made a difference