A lead science writer for The New York Times—and lifelong yoga practitioner—examines centuries of history and research to scrutinize the claims made about yoga for health, fitness, emotional wellbeing, sex, weight loss, healing, and creativity. He reveals what is real and what is illusory, in the process exposing moves that can harm or even kill. A New York Times bestseller. The Science of Yoga draws on more than a century of painstaking research to present the first impartial evaluation of a practice thousands of years old. It celebrates what’s real and shows what’s illusory, describes what’s uplifting and beneficial and what’s flaky and dangerous—and why. Broad unveils a burgeoning global industry that attracts not only curious scientists but true believers and charismatic hustlers. He shatters myths, lays out unexpected benefits, and offers a compelling vision of how the ancient practice can be improved.