Once upon a time God created the world; And it was flat until it wasn’t. The Earth was the center of creation until this failed. Disease was inflicted on man by decree until the germ theory of disease was recognized. Madness was the work of demons and evil spirits until psychology changed this forever.
Science is not in conflict with religion because science does not need theological assumptions for its practice. But it is also true that the assumptions of theologists interferes with the teachings and practice of science as well as all rational thought. And so we have the theologists war on science as well of the wars between theologies. It seems the conclusion is that believing in fantasy has real consequences for society as the data from one Harvard Study below confirms.