SOD1 and schizophrenia: In patients with chronic schizophrenia treated with haloperidol, increased lipid peroxidation markers were observed (TBARS), as well as the antioxidant enzyme SOD, presumably in response to the peroxidative injury to membrane phospholipids (Gama, Salvador, Andreazza, Kapczinski, & Silva Belmonte‐de‐Abreu, 2006).