From a leading neurologist, neuroscientist and practitioner of Ayurvedic medicine, comes a rigorous scientific investigation of the healing power of sound, showing readers how they can use it to improve their mental and physical wellbeing. Why does a baby's cry instantaneously flood a mother's body with a myriad of stress hormones? How can a song on the radio stir up powerful emotions, from joy to anger, regret to desire?...