Why is yawning contagious

why is yawning contagious? do you yawn?

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I yawn all the time. I’ve heard that is caused by lack of oxygen to the brain. I don’t know how true that is.

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That’s what I heard. I read something a long time ago about why a person yawns when they see another yawn.

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It seems to be contagious across species as well. When my dog yawns, I’ll yawn, or vice-versa.

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What about farting? Is that contagious with you and your dogs?

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Still working on the spontaneous fart. It’s a highly skilled operation.

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I’m just taking back the air you’re trying to steal from me, you murdering basta–rd!

Lol

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Dog farts are the worst!!!

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Tell me about it. Believe me I know.

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I’ve heard it’s more contagious if u symphatize/like the subject yawning.

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