{ "item_title" : "The Science of Breath Holding", "item_author" : [" Trent Alger", "Devon Mervin "], "item_description" : "The Science of Breath Holding is a complete guide to understanding and mastering one of the body's most powerful natural abilities.This book breaks down the physiology, safety, and training methods behind effective breath holds. It explains what happens inside the body when you hold your breath, how oxygen and carbon dioxide balance influence performance, and how the dive reflex can be trained to improve focus, endurance, and calm.You will learn how to build lung capacity step by step, increase CO₂ tolerance safely, and integrate breath holding into both athletic and mental training. Every technique is supported by scientific insight and practical application, helping you train with clarity and confidence rather than guesswork.Whether you are an athlete seeking better endurance, a freediver aiming to improve underwater performance, or simply someone who wants to strengthen focus and resilience, this book provides a structured approach rooted in research and real-world practice.Inside, you will discover: The science behind breath holding and the body's natural reflexesHow to safely train for longer and more efficient breath holdsMethods for building lung capacity and CO₂ toleranceThe physiological and mental benefits of breath retentionStep-by-step progressions for beginners and advanced practitionersTechniques for improving focus, calm, and endurance through controlled breath training", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/827/285/9798272857057_b.jpg", "price_data" : { "retail_price" : "12.99", "online_price" : "12.99", "our_price" : "12.99", "club_price" : "12.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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