Embrace legendary breathing expert Wim Hof’s method of breath control and cold-training to drastically increase energy levels, boost circulation and immune system, and alleviate stress.
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BackBreath Technologies is founded on the principle to help the world improve emotional and physical health by improving breathing habits. A wearable technology using real time data to provide missing links required to measure, train, study and communicate healthy breathing practices. Breath Technologies is defining how you feel.
Inhale Exhale 
The Anxiety, Worry & Depression Workbook 
Runner’s World Running on Air 
Relief from Snoring and Sleep Apnea 
The Mindful Breathing Workbook for Teens 
The 8-Week Depression Workbook 
Calm Breath, Calm Mind 
Anatomy of the Voice 
The Power of Breath 
Breathing Space