Did you know that a displaced artificial lens can be repositioned by riding a roller coaster? That you can walk miles with a 30-centimeter knife in your back? That a doctor saved a patient from a fatal brain hemorrhage during an emergency operation using the assistant's chewing gum? The doctor and science journalist Martina Frei has compiled the most bizarre and incredible case stories from the world of medicine in this book. After reading it, you'll know: Healing is possible. Sometimes even without a doctor.