Introduction: The lung is the primary organ for inhaled irritants. Chlorine (Cl2) has high solubility in water. It can dissolve into epithelial lining fluid when contacting mucosal surfaces. Vitamin C provided an important antioxidant defense against hypochlorous acid-mediated injury in atherosclerosis. Vitamin C supplementation decreased lipid and protein oxidation in vivo.Aim: To study the possi...