About the Author

David Zinczenko, editor-in-chief of Men's Health magazine, is one of America's leading experts on health and fitness. He lives in New York City and Allentown, Pennsylvania.Ted Spiker, an assistant professor of journalism at the University of Florida, is a contributing editor to Men's Health. His work has also been published in Fortune; O, The Oprah Magazine; InStyle; Sports Illustrated Women; Writer's Digest; Adventure Sports; and more. He currently resides in Gainesville, Florida.