Answer:
An increase in dopamine is associated with an increase in schizophrenia symptoms.
Step-by-step explanation:
Schizophrenia is a mental disorder in which individuals develop abnormal reality, it include delusions, hallucination and difficulty in everyday work and can extremely disorder thinking.
There are various factors that affect that are metabolic, endocrinological, environmental, virological genetica and psychological that may increase the symptoms.
Thus, the correct answer is - An increase in dopamine due to various factors associated with an increase in schizophrenia.