1. Autism is a developmental disability that means individuals experience the world differently than others. They may communicate, play, and have different interests in different ways. 2. There is no single cause of autism, but it is thought to involve genetic and medical factors as well as possible environmental toxins. 3. While there is no cure for autism, with support from doctors, teachers, family, and friends, individuals with autism can lead normal lives. Early understanding and learning about autism is important.