A New York Times Bestseller - No matter what you eat, how much you exercise, how skinny or young or wise you are, none of it matters if you’re not breathing properly. - There is nothing more essential to our health and well-being than breathing: take air in, let it out, repeat twenty-five thousand times a day. Yet, as a species, humans have lost the ability to breathe correctly, with grave consequences. Journalist James Nestor travels the world to figure out what went wrong and how to fix it. None of this should be possible, and yet it is. You will never breathe the same again.