Peripheral Immune System in Individuals With Schizophrenia

Inclusion Criteria for Subjects with schizophrenia and schizoaffective disorders:

* Schizophrenia or schizoaffective disorder diagnosis verified by interview
* Diagnosis or initiation of antipsychotic medication was within last 5 years

Inclusion Criteria for Healthy Controls:

* No known diagnosis of schizophrenia or schizoaffective disorder
* No history of depression, anxiety, bipolar disorder, PTSD, agoraphobia, panic disorder, or generalized anxiety disorder
* Negative assessment for psychotic symptoms on day of interview

Exclusion Criteria (for both groups):

* Participants have a history of bleeding disorders or are taking blood thinners.
* Participants have a history of epilepsy, known genetic disorders
* Immunocompromised state (eg., receiving immunosuppressive therapy, transplant).
* History of brain-related disease (eg., stroke)
* Any uncontrolled medical disorder such as cancer.
* History of substance abuse or positive urine toxicology screen (including test for marijuana) on the day of the blood draw