english: And the reasoning behind that would be, first, we have, through medicine, managed to preserve a lot of genes that would otherwise be selected out and be removed from the population.
non_english: Úvaha za tým by bola, po prvé, prostredníctvom medicíny sme dokázali zachovať množstvo génov, ktoré by inak boli vyselektované a odstránené z populácie.