IL6 and schizophrenia: Two recent reviews focused on cytokine imbalances in schizophrenia that detail those that generally become elevated (i.e., TNF-α, IL-1β, IL-6, and IL-12) vs. those that largely are unaltered (e.g., IL-2, IL-4, and IL-17) are by Momtazmanesh et al. (2019), Reale et al. (2021).