Anne McTiernan, M.D., Ph.D., coauthor of "Breast Fitness", is an international leader in research on exercise and other methods to prevent breast cancer occurrence and recurrence. She is a scientist at the Fred Hutchinson Cancer Research Center and Research Associate Professor at the University of Washington. Her scientific findings have been published in the "New England Journal of Medicine" and other major scientific publications, magazines, and newspapers. She lives near Seattle, Washington.