Genetic Component It has been known that schizophrenia tends to run in families, and having a family member with it is the highest known risk factor. Children of people with schizophrenia have a 10 percent chance of developing the disorder, and monozygotic twins have the highest risk at 40 to 65 percent chance. In comparison, the risk of schizophrenia in the general population is about 1 percent. Recent research found that people with schizophrenia have a higher rate of genetic mutations. Although it is believed that many different genes contribute to an increase risk of schizophrenia, no single gene causes the disorder by itself. …show more content…
Amongst some of them are: brain development, viral infections before birth, such as influenza, rubella, CNS infection, and poliovirus; malnutrition before birth, prenatal stressors, such as not being wanted, bereavement, famine, flood, and maternal depression; problems during birth, such as low birth weight, hypoxia, CNS damage, RH incompatibility, and preeclampsia; trauma at an early age, such as physical and verbal abuse; time and birthplace, socioeconomic factors, substance misuse, and many