Greg Smith 
Purposeful Breathing [EPUB ebook] 
Reset Your Mind • Improve Your Energy • Enhance Your Health

Purposeful Breathing is a practical, user-friendly guide to simple breathing skills that can rapidly reduce states you don’t want (such as stress and anxiety) and increase states you do want (such as feeling stronger or relaxing). It also teaches breathing skills for long term health, informed by new discoveries from psychology and neuroscience.