This is highly speculative and rather ignores an obvious fact, that accumulation of AGEs and other heat-created toxins (mostly resulting from cooked animal foods)does far more damage to the DNA thus greatly accelerating aging.And I'm highly amused that so far no scientific study has ever once actually shown cooked low-carbers as living longer - quite the opposite, of course, as study after study
(eg:- http://www.healingcancernaturally.com/vegetarians-live-longer.html )
shows vegetarians living the longest(as regards all other cooked-dieters), and that's not counting the innumerable studies showing a higher mortality-rate for those who incorporate more cooked animal foods into their diet.
http://www.oxveg.veggroup.org/articles/1114.html :
* vegetarians have low mortality compared with the general population
* much of this benefit is attributable to non-dietary lifestyle factors such as the avoidance of smoking and a high socio-economic status
* vegetarians have similar mortality to comparable non-vegetarians, although a vegetarian diet may confer an additional 1-2 years of life (at least among US Adventists).
http://www.westonaprice.org/mythstruths/mtbeef.html :
"the total death rate decreased as the frequencies of consuming cheese, eggs, meat and milk increased"
"although the authors claim that their study showed that vegetarians lived longer, Smith found quite the opposite when he looked carefully at the hard data"
http://www.lef.org/magazine/mag2006/jan2006_awsi_01.htm :
"Longevity studies of vegetarians produce conflicting data. Some studies do not show that vegetarians live significantly longer.25,29 Two studies of people who consumed very little meat showed an average life-span increase of 3.6 years.39 A huge study of Seventh Day Adventists who ate little or no meat showed longevity increases of 7.28 years in men and 4.42 years in women.40 These data are confounded by the fact that Seventh Day Adventists follow healthy lifestyles free of tobacco and alcohol.
Studies suggest that the longevity benefits conferred by a vegetarian diet dissipate as humans enter their ninth decade.39 This implies that while vegetarian diets reduce disease risk, restricting one’s diet to only plant foods does not completely protect against the effects of aging."
etc., etc., etc...