near death experiences as a product of natural selection?

if NDEs aren’t actual authentic experiences of the afterlife, they must be a product of evolution. natural selection. they’d have to be, considering how common they are if they are products of the brain only. how does an end of life hallucination improve one’s ability to reproduce?

some thoughts on nde’s as a product of evolution

what are your thoughts? 

it looks like the people posting their theories are grasping at straws.