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  1. Laughter | Psychology Today

  2. Laughter is the Best Medicine - HelpGuide.org

  3. Laughter - Wikipedia

  4. The science of laughter and why it’s good for us | CNN

  5. The Health Benefits of Laughter - Verywell Mind

  6. The Science of Laughter | Psychology Today

  7. Health Benefits of Humor and Laughter - Verywell Mind

  8. Laughter | Psychology Today International

  9. Laughter: The Best Medicine | Hidden Brain : NPR

  10. What’s So Funny? The Science of Why We Laugh