A side effect of extreme longevity, V'lane had told me, was eventual madness.

For a civilization, extreme longevity can be fatal for the individual.

Relatively few studies have looked at epigenetic determinants of extreme longevity in humans.

Because of their extreme longevity, Greenland sharks may still be recovering from being over-fished before WW2.

You grant them superhuman strength, perhaps extreme longevity.

Overall, our results suggest that epigenetic processes might play a role in extreme longevity and healthy human ageing.

It is still controversial whether healthy aging and extreme longevity are accompanied by an altered production of mitokines.

It may be interesting to review the statistics of Haller, who has collected the greatest number of instances of extreme longevity.

The aim of these studies is the discovery of the mechanisms behind LLIs extreme longevity and the identification of markers of well-being.

In these isolated spots, giant tortoises have become reptilian representatives, their extreme longevity casting them as a living link to a lost world.

Extreme longevity has an unfortunate and inescapable by-product: madness.

[Footnote: The forest-trees of the Northern States do not attain to extreme longevity in the dense woods.