Free radicals are atoms or groups of atoms that have at least one unpaired electron, which makes them highly reactive. Free radicals promote beneficial oxidation that produces energy and kills bacterial invaders. In excess, however, they produce harmful oxidation that can damage cell membranes and cell contents.
Where does Free Radicals Come From?
Endurance exercise can increase oxygen utilization from 10 to 20 times over the resting state. This greatly increases the ge…