Religion has a funny way of dividing people. But religious fervor and intolerance may also keep you from getting sick, according to evolutionary biologists Corey Fincher and Randy Thornhill of the
The researchers noted that religious diversity varies significantly across the globe. Why does
The researchers used the World Christian Encyclopedia and the Global Infectious Disease Epidemiology Network to compare infectious diseases and religions across 219 countries. Even after taking other factors into account, such as democratization and colonization, they found a correlation between religious diversity and the number of infectious parasites in a given place.
Their research falls into the realm of sociobiology, a field pioneered by E. O. Wilson, which uses evolution to explain the social behavior of species. Sociobiology is criticized by many for promoting a sense of biological determinism reminiscent of social Darwinism or eugenics—although, one has to wonder, does that mean proselytization is a form of evolutionary suicide?
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Image: flickr / Svadilfari
