Schizophrenia is an intellectual sickness characterised by ordinary social behaviour and failure to recognize reality. Common signs encompass false beliefs, uncertain or pressured thinking, hearing voices that others do not, reduced social engagement and emotional expression, and a loss of motivation. People with schizophrenia often have extra intellectual health issues together with anxiety, depressive, or substance-use disorders. Symptoms normally come on gradually, begin in young adulthood, and last a long time. The causes of schizophrenia encompass environmental and genetic factors.