Transhumanists are among the most advanced in this reflection. Almost all members of this current in Europe, the United States, Russia and elsewhere are active supporters of intensive action in this field.

The priorities of transhumanists in terms of longevity have been and still are today varied. They range from the most traditional, the search for new drugs and healthy lifestyles to prolong life, to the most vertiginous, such as cryonia and the “downloading” of consciousness.

This article will focus solely on a “classic” perspective of longevity: what Edgar Morin called “amortality” as early as 1951, the possibility for women and men who so wish to no longer die from age-related diseases, i.e. diseases which, worldwide, are responsible for about 70% of deaths (90% in “rich” countries).