There are several factors that contribute to the developing of schizophrenia, but the truth is that doctors do not really know what causes this mental health illness. Research shows that it takes a combination of genetic and environmental factors to trigger the disease, but none of the factors are strong enough to guarantee the development of schizophrenia (Reddy, and Keshavan, 2015). Some of the thought causes include: genetic factors, a predisposition to schizophrenia might run in the family; biochemical substances in the brain, especially dopamine a neurotransmitter most likely to cause a chemical imbalance in the person genetic predisposition; stress is well recognized to come before the start of schizophrenia; and alcohol and drug use
