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Species that have an appendix have a greater longevity


ANALYSIS - Long considered an anatomical relic, the appendix could constitute a real evolutionary advantage.

Darwin was wrong!

One hundred and fifty years ago, the English scientist estimated that the appendix in humans was only a

"useless vestige", a

residue of how the digestive tract has evolved as the fiber content in the human diet.

A hypothesis which was reasonable at the time, given the little knowledge about this area of ​​the intestine, but which lasted for a long time.

“The appendix is ​​a bit like the spleen: as we can live without it, we imagine that it is useless, but we are only beginning to understand what functions it could well conceal”

, notes Éric Ogier-Denis, director researcher at Inserm and specialist in inflammatory processes in the intestine.

Read also:

Appendicitis: an antibiotic instead of a scalpel?

With three colleagues, he has just published, in the

Journal of Anatomy

, work that for the first time establishes a correlation between the presence of a cecal appendix and greater longevity in mammals.

Data that sheds light from an angle

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Source: lefigaro

All tech articles on 2021-08-04

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