[50 years of medical progress and its consequences].

In 1940, a new era begins: the victorious fight against infectious diseases with the discovery of the first and powerful antibiotics, then the eradication of small-pox and poliomyelitis with new vaccines. New procedures have allowed the production of very efficient medicines for all the organs; if they do not succeed, then we can perform organ transplantation. After eliminating the natural selection, medicine will be able to practice predictivity through the study of the human genome followed by the possibility of a true prophylaxis through genetic manipulations which have just started a few months ago.