In all the glam and glory of red carpets and awards shows, it would be easy to think Cameron Diaz was born knowing exactly what to do to look and feel so good. But as she’d tell you herself, there was a learning curve involved. In The Body Book, Diaz shares her formula for healthy living, from embracing and satisfying our hunger to sweating a little every day, as well as her philosophy that it’s not just about short-term goals, but cultivating a life that’s happy and healthy in the long-term.