Schizophrenia is a serious mental disorder that can cause a range of symptoms, including hallucinations and delusions. While the exact cause of schizophrenia is unknown, research suggests a combination of genetic, environmental, and psychological factors may be involved.
Genetic Factors
Schizophrenia tends to run in families, suggesting that genetic factors may play a role in its development. Scientists have identified a number of genes that may increase a person's risk of developing the disorder. However, not everyone with a family history of schizophrenia will develop the condition.
Environmental Factors
Studies have suggested that certain environmental factors may increase the risk of developing schizophrenia. These factors may include:
• Exposure to viruses, such as the measles virus, during early development
• Exposure to toxins, such as lead or other chemicals, during development
• Social isolation or lack of social support
• Stressful events, such as the death of a loved one or a traumatic experience
Psychological Factors
Psychological factors, such as a person's thoughts and feelings, may also contribute to the development of schizophrenia. For example, some research suggests that people who are prone to rumination (repeatedly thinking about the same negative thoughts) may be more likely to develop the disorder. Additionally, some evidence suggests that people with schizophrenia may have difficulty recognizing facial expressions or interpreting social cues.