Elemental
Published in

Elemental

This Is Why People Faint at the Sight of Blood

It could have something to do with an overachieving vagus nerve

OOne afternoon when she was six years old, Kim Petschek was walking home from school when she stubbed her toe on the sidewalk, resulting in a small — but bloody — gash. The next thing she remembers is waking up on the street, sprawled out face-first on the concrete with her front…

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