The exact causes of schizophrenia are unknown. Research suggests a combination of physical, genetic, psychological and environmental factors can make a person more likely to develop the condition. Some people may be prone to schizophrenia, and a stressful or emotional life event might trigger a psychotic episode.The exact causes of schizophrenia are unknown. Research suggests a combination of physical, genetic, psychological and environmental factors can make a person more likely to develop the condition. Some people may be prone to schizophrenia, and a stressful or emotional life event might trigger a psychotic episode

What are the main causes of schizophrenia?

What causes schizophrenia?Genetic factors. A predisposition to schizophrenia can run in families. Biochemical factors. Certain biochemical substances in the brain are believed to be involved in schizophrenia, especially a neurotransmitter called dopamine. Family relationships. Stress. Alcohol and other drug use.

What increases risk of schizophrenia?

A person who is considered at risk for developing schizophrenia may also be triggered by stressors such as suffering a loss, experiencing abuse, or trauma. Using illicit drugs, particularly cannabis, amphetamines, LSD, or cocaine, can also trigger the onset.

What does a schizophrenic episode look like?

The symptoms of schizophrenia are usually classified into: positive symptoms – any change in behaviour or thoughts, such as hallucinations or delusions. negative symptoms – where people appear to withdraw from the world around then, take no interest in everyday social interactions, and often appear emotionless and flat.

What is the lifespan of a schizophrenic?

Using data from 11 studies, Hjorthøj et al (2016) showed that schizophrenia was associated with an average of 14.5 years of potential life lost. The loss was greater for men (15.9) than for women (13.6). Life expectancy was greatly reduced in patients with schizophrenia, at 64.7 years (59.9 for men and 67.6 for women).