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 (ASD) is a physical condition linked to abnormal biology and chemistry in the brain. The exact causes of these abnormalities are not known. There is likely a combination of factors that lead to ASD. It may run in some families, and research shows that a number of genes may be involved.