Daily meditation and deep belly breathing practices can also stimulate the production of the feel good hormone «serotonin'that will leave you feeling lighter, happier and more in control. (ultrawellnesscenter.com)
And the thing we want you to focus on is replacing chest breathing with belly breathing. (fitnessandpower.com)
Practice belly breathing for 15 minutes daily until it becomes natural, and you'll never run out of air in a workout again. (onnit.com)