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Oxidative stress

Description
Uncontrolled overproduction of reactive oxygen species has the potential to inflict considerable damage on the tissues in which they are produced, a situation called oxidative stress.

A series of elaborate mechanisms has evolved to minimize its harmful consequences.

The nonenzymatic protection is afforded by antioxidant compounds:

Glutathione
Vitamins C and E
Uric acid
 
These compounds can scavenge ROS before they can cause damage, or they can prevent oxidative damage from spreading.
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