It's not because some people don't survive childhood illnesses -- they do -- but they do not survive after the time that they reach about 45 years old and 50 years old.
Si nu e fiindca unele persoane nu supravietuiesc unor boli din copilarie -- ei supravietuiesc - insa nu supravietuiesc dupa ce ajung la varsta de 45 sau 50 de ani.