Why Do We Laugh? The Weird Science Behind Your Giggles 😂

Why do humans laugh? And why is it so contagious?
In just 3 minutes, we break down the weird, wild, and wonderful science behind laughter — from brain chemistry to why your friend’s laugh makes you lose it. This isn’t your typical boring science lesson. It’s fast, funny, and might just make you laugh without knowing why.

✅ What triggers laughter?
✅ Why is it infectious?
✅ Do animals laugh too?
✅ Is laughter actually good for your health?

Whether you're here for fun facts or to impress your friends with random knowledge, this video has it all — with a side of sarcasm.

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