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Two of the major categories of schizophrenia symptoms are “positive” or “negative" symptoms

Positive 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.



Disorganized thinking and speech

Negative Symptoms

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.

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