Define occasional: of or relating to a particular occasion; created for a particular occasion â occasional in a sentence of or relating to a particular occasion; created for a particular occasion; acting as the occasion or contributing cause of somethingâ¦
The list of types of Mental illness mentioned in various sources includes: 1  Depressive disorders. 2  Depression. 3  Dysthymic disorder. 4  Bipolar disorder. 5  Cyclothymic disorder. 6  Anxiety disorders. 7  Panic disorder. 8  Social phobia. 9  Specific phobias.
Mental illness is defined as âcollectively all diagnosable mental disordersâ or âhealth conditions that are characterized by alterations in thinking, mood, or behavior (or some combination thereof) associated with distress and/or impaired functioning.â2 Depression is the most common type of mental illness, affecting more than 26% of the U.S. adult ...