Dr. Natalie Cordova is a chiropractor and posture expert. She created the Posture Confidence DVD and has co-written the Posture Confidence book, "Everything You Need To Change Your Posture For Good" with her husband, Dr. Philip V. Cordova. The book is filled with information about how to sit, stand, sleep, choose a chair & mattress. More importantly, it has posture exercises to help improve your bad posture and help prevent a dowager hump. Photos demonstrate the exercises. Finally change your bad posture!