A medical breakthrough explained by the leading authority on the connection between health and your body clock.

Chronotherapy -- adjusting the care of the body to coincide with the body's natural clock -- is poised to be the next major revolution in medical science. An understanding and awareness of these rhythms will enable us to maximize the effects not only of medications and other treatments but also of diets, exercise programs, and other daily routines.

The Body Clock Guide to Better Health combines a detailed discussion of major issues, such as sleep, exercise,...