We make, and worry about, a thousand big and little decisions during our waking hours. Too often these decisions are dictated by concerns or beliefs about our world that simply aren't true. With precision and wit, award-winning public health expert Timothy Caulfield analyses the innumerable cultural, social and psychological forces that shape these misperceptions. Caulfield provides a scientifically informed way out of this mess - 'Relax' will do exactly what the title suggests and help put your mind at ease.