According to this author Nitric Oxide (Nitrogen and Oxygen) is effected when people have a reduced caloric diet (the only known way to increase lifespan). And also, if the people preflood had food with much higher nutrients they would certainly have a reduced caloric diet because of the higher nutrients in their food.
I hope you realize that NO production if effected by a whole NUMBER of things. And anyay, we are talking about oxygen not NO. these are different molecules with completely different functions in the body. For one thing, your body PRODUCES NO, while it NEED O2 from the atmosphere. So, to reference this is a non-sequitor in the question of if oxygen would increase life span.
But, to your credit, you are right. It has been shown that animals which eat less live longer than animals of the same species who eat more. But, this goes toward the metabolism argument of life.
ANimals with faster matebolisms live shorter lives than animals with slower metabolisms. Even within the sam species. Since, oxygen is the other key compenent of metabolism, you would expect increased metabolic activity with increaed oxygen content. Therefore, you would have a decrease in lifespans of animals under increased sustained oxygen environments.
However, you would likely have multiple compensetory mechanisms functioning which would limit this effect (reduced RBC count, increased expression of antioxidant enzymes). The greatest issue to increased o2 in the atmosphere is a increase in pulmonary damage as a result of oxidation. Since at the same pressure, you wouldn't have any increase in the disolved o2 content in the plasma, there for RBC would be still the primary carriers of oxygen. As a result, you would simply pick up o2 into hemoglobin more rapidly in the lungs.
Again, your claim that it would result in increased lifespans is completely unfounded and stupid.
And its also a possibility that increased oxygen in the blood would make the heart not have to work as hard.
No, false. see above.
DOC, I recommend you dropping this argument and admitting you made a claim you had no reason to make. You are just patently wrong here and admission of the fact is the only honorable thing to do.
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ETA:
Conti B, Sanchez-Alavez M, Winsky-Sommerer R, Morale MC, Lucero J, Brownell S, Fabre V, Huitron-Resendiz S, Henriksen S, Zorrilla EP, de Lecea L, Bartfai T.
Transgenic mice with a reduced core body temperature have an increased life span. Science. 2006 Nov 3;314(5800):825-8.
abstract said:
Reduction of core body temperature has been proposed to contribute to the increased life span and the antiaging effects conferred by calorie restriction (CR). Validation of this hypothesis has been difficult in homeotherms, primarily due to a lack of experimental models. We report that transgenic mice engineered to overexpress the uncoupling protein 2 in hypocretin neurons (Hcrt-UCP2) have elevated hypothalamic temperature. The effects of local temperature elevation on the central thermostat resulted in a 0.3 degrees to 0.5 degrees C reduction of the core body temperature. Fed ad libitum, Hcrt-UCP2 transgenic mice had the same caloric intake as their wild-type littermates but had increased energy efficiency and a greater median life span (12% increase in males; 20% increase in females). Thus, modest, sustained reduction of core body temperature prolonged life span independent of altered diet or CR
What do you think correlates with a reduced core temperature? Yes, it is a reduced metabolic rate. Another way of saying that is a reduction in oxygen utilization, further supporting my point.
