Too much exercise can kill you. The Haywire Heart is the first book to examine heart conditions in athletes. Intended for anyone who competes in endurance sports like cycling, triathlon, running races of all distances, and cross-country skiing, The Haywire Heart presents the evidence that going too hard or too long can damage your heart forever. Yo

Author Biography

Chris Case is the managing editor of VeloNews, and author of "Cycling to Extremes," the groundbreaking VeloNews story that brought the problem of the athlete's heart to widespread attention. Dr. John Mandrola is a cardiac electrophysiologist in Louisville, Kentucky, and is himself an active cyclist who had atrial fibrillation. Lennard Zinn was a member of the U.S. national racing team and is a lifelong endurance athlete. He has reported on major stories for VeloNews for 30 years and is the author of the world's best-selling guide to bicycle maintenance and repair.