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Le Rouge et le Blanc

L'homme, cet écosystème

23 Août 2012 , Rédigé par Béthune

 

Looking at human beings as ecosystems that contain many collaborating and competing species could change the practice of medicine

 

THE ECONOMIST, Aug 18th 2012

 

WHAT’S a man? Or, indeed, a woman? Biologically, the answer might seem obvious. A human being is an individual who has grown from a fertilised egg which contained genes from both father and mother. A growing band of biologists, however, think this definition incomplete. They see people not just as individuals, but also as ecosystems. In their view, the descendant of the fertilised egg is merely one component of the system. The others are trillions of bacteria, each equally an individual, which are found in a person’s gut, his mouth, his scalp, his skin and all of the crevices and orifices that subtend from his body’s surface.

 

Suite de l'article: link

 

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