Two of the major categories of schizophrenia symptoms are “positive” or “negative" symptoms.
Positive symptoms are active problems that shouldn’t be present
They are "positive" in the sense that they represent an addition to someone's typical day-to-day experience. Eg.
Characteristics that seem to be absent or diminished in someone with schizophrenia are called negative symptoms. Eg.
Decreased Emotional expression
Lack of interest in focussed activities
Family history and genetics
Viral infections like Herpes
Exposure to toxins like Lead, Gasoline, Paint etc. and neurochemicals
Brain and body risk factor
Lifestyle factos like stress and life changing events like deaths bereavements.
More about Treatment
Schizophrenia is a type of mental illness that affects how the brain works. This leads to chronic problems with disordered thoughts and behaviors. It usually requires lifelong care and treatment.
Researchers estimate that schizophrenia affects approximately 0.3 percent to 0.7 percent of people (between 3 in 1000 and 7 in 1000).1 Schizophrenia affects people from all racial backgrounds and ethnicities. Schizophrenia is slightly more common in men than in women.