Afraid: Understanding the Purpose of Fear and Harnessing the Power of AnxietyProvides a broad and entertaining overview of fear from evolution, to modern day challenges, and how clinicians treat trauma, anxiety, and PTSD today. About a third of the world population suffers from an anxiety disorder, and half of Americans have had at least one traumatic experience like rape, assault, shooting, or natural disasters. The news is full of stories about our dying planet, civil unrest, political fighting, and other anxiety inducing