At forty-four, acclaimed cardiologist Dr. John Day was overweight and suffered from insomnia, degenerative joint disease, high blood pressure, and high cholesterol. On six medications and suffering constant aches, he needed to make a change. While lecturing in China, he'd heard about a remote mountainous region known as Longevity Village, a wellness Shangri-La free of disease where living past one hundred was not uncommon. In the hope of understanding this incredible phenomenon, Dr. Day de...