What inspired the author to explore the science of breathing in such depth?
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Breath

Breath
نقاش القراء مفتوح الآن. يمكن لمؤلف موثّق الانضمام بعد المطالبة بهذا الملف.
What inspired the author to explore the science of breathing in such depth?
Did anyone else find the historical and cultural aspects of breathing practices more fascinating than the scientific details?
How did the author decide which breathing techniques to include in the book?