Department of Dermatology, Amersham Hospital, Whielden Street, Amersham, Bucks, HP7 0JD, UK.
Oxidative stress is a condition of pro-oxidant/ antioxidant disequilibrium,
in which the generation of potentially harmful reactive oxygen species
(ROS) exceeds the ability of the tissue's antioxidant defence mechanisms
to quench them. Damage to cell membranes by way of lipid peroxidation,
and damage to DNA, sulphur-containing enzymes and proteins, and carbohydrates
are amongst the major resultant effects [1, 2].
A number [...]