565OXIDATIVE STRESS AND TISSUE DAMAGE: A REVIEWIn healthy tissues, oxidant/antioxidant balance is sustained by the superiority of antioxidants. Various aggressive factors which can lead to tissue damage causes reversing of the oxidant/antioxidant balance. This condition is called oxidative stress. In this study, it is mentioned that, oxidative stress is important at the maintenance of tissue damage, and antioxidants are important at the prevention and treatment of it.dreminecinici@hotmail.comReview622015Antioxidant,Stress,PreventionEmine Cinici,Aynur Arslan,Resit Coskun,Ozkan Cinici,Halis Suleyman Erzurum District Training and Research Hospital, Department of Ophthalmology, Erzurum, Turkey,Istinye State Hospital, Department of Internal Medicine, Istanbul, Turkey,Bayburt State Hospital, Department of Cardiology, Bayburt, Turkey, Erzurum District Training and Research Hospital, Department of Chest Surgery, Erzurum, Turkey,Recep Tayyip Erdogan University, Medical Faculty, Department of Pharmacology, Rize, Turkey