Answer:
there is no concluding evidence or single deterministic cause
Explanation:
Current research suggest that certain physical, genetic, psychological and environmental elements trigger likelyhood of a person being more probable to become the condition.
Some groups of people may be more likely to schizophrenia from a genetic perspective , and with stressful or hard emotional life events, traumas this may trigger a psychotic episode.
A background of relatives having schizophrenia increases the risk.
As well as inmmune system activation, like inflammations or other diseases.
Pregnacy and birth conditions can lead to some impact on brain development
In conclusion many factors account for multiple causes and there has not been also found a particular setting between inner and external variables for identifying the appeareance of .schizophrenia .