Autism spectrum disorder (ASD) is a complex condition that affects how people communicate, learn, behave, and interact with others. It's a developmental disorder that's related to brain development.Being autistic does not mean you have an illness or disease. It means your brain works in a different way from other people. It's something you're born with. Signs of autism might be noticed when you're very young, or not until you're older. If you're autistic, you're autistic your whole life. Autism is not a medical condition with treatments or a "cure". But some people need support to help them with certain things.
Signs of autism in young children include: