Wellbutrin side effects. SKIN AND APPENDAGES (SKIN, LEGS AND ARMS). Acne-Eruptions of the oil glands of the skin, especially on the face, marked by pimples, blackheads, whiteheads, bumps, and more severely, by cysts and scarring.
Causes. There is no known single cause for autism spectrum disorder, but it is generally accepted that it is caused by abnormalities in brain structure or function. Brain scans show differences in the shape and structure of the brain in children with autism compared to in neurotypical children.
Autism spectrum disorder. Autism spectrum disorder (ASD) is a developmental disorder. It often appears in the first 3 years of life. ASD affects the brain's ability to develop normal social and communication skills. The exact cause of ASD isn't known. It's likely a number of factors that lead to ASD.