Years of research have shown that schizophrenia is a biologically based brain disease. The most recent advances in brain imaging have confirmed imbalances of two brain chemicals – dopamine and serotonin – in those who suffer from schizophrenia. The brains of people with schizophrenia have elevated dopamine and serotonin activity.

According to the NIMH, while schizophrenia occurs in “1 percent of the general population, it is seen in 10 percent of people with a first degree relative (a parent, brother, or sister) with the disorder. People who have second degree relatives (aunts, uncles, grandparents, or cousins) with the disease also develop schizophrenia more often than the general population. The identical twin of a person with schizophrenia is most at risk, with a 40-65 percent chance of developing the problem.” ^{(1, 2)}

Despite these findings, many still believe schizophrenia is caused by poor parenting or weak will power. This has been shown to not be true. Contrary to popular belief, schizophrenia is not "split personality," and the vast majority of people who suffer from schizophrenia are not dangerous to others.

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