How your body cells protect themselves against oxidative damages and influence it by nutrition. ROS are a group of small molecules has oxygen , which are products of various biochemical processes, metabolic reactions. the superoxide hydroxyl radical, peroxide but also non radical oxides such as hydrogen peroxide or singlet oxygen. braines among my readers will have noticed that the R in ROS already indicates why these are problem are reactive . oxidize and damage all macromolecules any way. so since they are formed during metabolism, which takes happen in the mitochondria and in the cells , they have quite a selection of cells immediately after their formation. Oxidative stress : The cell gets problem if the quantity of existing enzymes is insufficient to keep the ROS in check due to external influences. that happen more ROS present because, been absorbed that produce ROS. cause the ROS to suddenly be able to damage the cell,...