Q: Explain the science of a blush, and what causes a blush

A: *in a robotic voice that suggests that he's reading it off of a website* Blushing from embarrassment is a unique phenomenon. There are other means by which our cheeks become flushed: Drinking alcohol or becoming sexually aroused can cause us to blush, but only being embarrassed causes the type of blushing that is triggered by adrenaline. *back to normal voice* I was blushing from embarrassment. So, there.

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