As to MI, this carbocyclic sugar is involved in various cellular processes, as it lowers the oxidative stress by stimulating the natural antioxidant defenses, increasing superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH) levels (51), with favorable repercussions even in the setting of thyroid autoimmunity (52–54). The gene discussed is CAT; the disease is autoimmune thyroid disease.