eli5: Do people actually visibly turn pale (ex. when they realize something awful, when they’re scared, etc)?

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I’m not sure if “turning white/pale” is an exaggeration or if people actually do turn pale in certain situations. I’ve never witnessed it myself, anyone here who has?

In: Biology

26 Answers

Anonymous 0 Comments

Substances that are vasoconstrictors will cause this effect. One such substance us adrenaline which is released when we’re scared or stressed. Our bodies are trying to direct blood to essential functions as part of our “fight or flight” response.

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