The answer may surprise you. This episode features audio from:
https://nutritionfacts.org/video/how-to-prove-whether-yoga-has-special-health-benefits/
https://nutritionfacts.org/video/yoga-put-to-the-test-for-ms-back-pain-neck-pain-insomnia-and-breast-cancer/
https://nutritionfacts.org/video/yoga-put-to-the-test-for-headaches-diabetes-osteoarthritis-and-the-elderly/
Visit the video pages for all sources and doctor's notes related to this podcast.

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