Your ‘aura’ may just be a mixture of oils and fats on the skin. Scientists still don’t fully know why we yawn—but they’re getting closer. The debate over fluoride is back in the spotlight. Urban rats may be more than just an annoying pest.

Learn More: https://radiohealthjournal.org/medical-notes-the-science-behind-your-aura-the-fluoride-debate-and-the-real-reason-behind-your-yawn

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