Complex sentence: Since 1992, she has been struggling to overcome depression and anxiety and, at various points, in addition to attention deficit disorder, has been diagnosed with mild schizophrenia, obsessive-compulsive disorder and Tourette syndrome.
Split into simpler sentences: Since 1992, she has been struggling to overcome depression and anxiety. At various points, in addition to attention deficit disorder, she has been diagnosed with mild schizophrenia, obsessive-compulsive disorder and Tourette syndrome.