If you're an adult and you have trouble paying attention and controlling your actions, you may have ADHD. It's a problem that begins when you're a child and continues throughout your life. But because the symptoms of ADHD may go unrecognized for years, you may not be diagnosed until you are an adult. ADHD can hurt your relationships and your career.
Autism spectrum disorder (ASD) is a range of disorders in which a child's brain doesn't develop normally. Autism or autistic disorder is the most severe form of ASD. Symptoms often appear before age 3 and persist throughout the child's lifetime. These symptoms can vary widely and may be mild or severe.
This is a learning disorder. It's linked to the parts of the brain that process language. With dyslexia, you may have trouble with reading and writing. You may have trouble understanding words you hear. Pronouncing words may be hard. This causes problems in school and work. It can make you feel bad about yourself.