background: the balance between production of reactive oxygen species (ros) and antioxidant defense in the body has important health implications. the aim of this study was to investigate the changes in salivary antioxidants: catalase, vitamin c and brain-derived neurotrophic factor (bdnf), in sedentary men at rest and after acute exhaustive exercise.   methods: this randomized controlled clini...

Background: Exposure of the skin against occupational hazards is growing every day. Many scientists are trying to identify aspects about the mechanisms of damages done to the skin by them. The skin is the second metabolism organ of the body where redox-dependent metabolic pathways overcome. By considering the UV index, Iranians are at high risk of UVB damage by generation of reactive oxygen spe...