Schizophrenia is a chronic and debilitating condition with a global prevalence of
approximately 1% varying by location and diagnostic criterion. 1, 2 The average age of
onset is in late adolescence to early twenties in men, and slightly later in women. However,
determining the age of onset depends on the recognized symptom, with changes in
personality and cognition often occurring before frank psychosis. 3, 4 Schizophrenia is
associated with considerable morbidity, and is considered one of the top 20 causes of global …