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Why Do Some People Faint When They See Blood?

Why Do Some People Faint When They See Blood?

Popular Science - Colin Lecher

It's a phobia, but other phobias don't give you that same woozy feeling. Getting dizzy and fainting at the sight of someone else's blood doesn't seem to be the most, uh, evolutionarily appropriate response. How's that going to help you when you're trying to take down a buffalo? And despite it being …

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