Amazing DIY Breathing Device (PDF Format)

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Amazing DIY Breathing Device (PDF Format)

This is the only existing and unique manuscript that describes how to make and use a simple DIY breathing device for breathing normalization, better DIY body oxygen level test results and drug-free health restoration. This book is a Complete Breathing Retraining Manual (Instructional Guide) that provides a simplified theory and practice of breathing, body oxygen level, chronic diseases, and breathing retraining.

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