"The...true story of a team of doctors who--through years of scientific sleuthing and observant care--discover a surprising connection between opioids and memory, one that holds promise and peril for any one of us."-- How could you lose your memory overnight, and what would it mean? When neurologist Jed Barash sees the brain scan of a patient with devastating amnesia, it is the beginning of a quest. His team of doctors explored the threat that people...