Even if you were undiagnosed as a child, you may notice in later life that certain symptoms are impacting your behavior or thinking, and question whether you have autism. Autism has a wide range of symptoms. In adults and adolescents, they are most prominent in your communication skills, interests, emotional and behavioral patterns, and sensory issues. While there’s no single test to diagnose autism, ask yourself if you often misread social cues, get upset if your daily routines or rituals are interrupted, or are sensitive to being touched or to certain sounds or smells. If you have a narrow focus, an in-depth knowledge of just one or two subjects that you find fascinating, that may also indicate autism. Read: Autism in Adults: Recognizing the Signs, Living with a Diagnosis.