I'll take my chances with modern science and medicine, thank you (even with some significant ambiguities and occasional missteps (especially WRT our environment

I'll take my chances with modern science and medicine, thank you (even with some significant ambiguities and occasional missteps (especially WRT our environment.) How pre historic humans survived is like how many species survive today- have a brood or litter of 10, if 3 or 4 make it to breeding age to continue your line you've done well!