Re: Oxygen and Oxidative Stress - EDIT +
"Oxidation and Reduction are both happening..... "
That's the conventional view, but they like to split things apart for convenience in discussion. Doing that can lead some folks to believe they're different processes, when in fact they're merely two different aspects of a single occurrence, since, in order for oxidation to occur there must be simultaneous attendant reduction happening, as the two combined are merely facets of electron transfer, the electron moves, and the thingy from which the electron left is the reducing agent that gets oxidized in the process, and the thingy that receives the electron is the oxidizing agent, which is itself reduced in the process.
And this is precisely why the word "anti-oxidants" as used by vitamin and supplement retailers and distributors is nothing more than marketing hype. It is pure bunk. That, my dear, is what is over-hyped ---- "anti-oxidants"
Reason is, a substance cannot be an anti-oxidant, without also being an anti-reductant, since oxidation and reduction are but two different sides of the same coin.
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EDIT +
So if a substance is truly anti-oxidant, it is also anti-reductant, which means no electron transfer will occur, but is usually only specific for particular reactions. For example, vitamin C, when mixed with aluminum powder and ignited, functions as an oxidant.
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But people have been bred to fear words, such as "free radical damage", and have also been given the majickal answer, which is "anti-oxidants". Just as much of crap, as what comes out of Holywood or across the television daily. But the people love it. Winston loved Big Brother.
And the marketers love to tout those words, because once the pack has been conditioned into it, they've got a captive audience. It's just nature at work.
Same is true for "oxidative stress". Words like that give people who know absolutely nothing about the body or its workings, an opportunity to feign control over nature, usually the distributors of the supplement crap.
My apologies to Mrs. Morgan, my English teacher, who did well to teach me to never begin a sentence with "And". It was my own bloody fault I chose to do it, not any dereliction on her part.