
The New York Times bestseller - with a new afterword about early specialization in youth sports - from the author of Range. The debate is as old as physical competition. Are stars like Usain Bolt, Michael Phelps, and Serena Williams genetic...

Now a New York Times Bestseller With a new chapter added to the paperback. In high school, I wondered whether the Jamaican Americans who made our track team so successful might carry some special speed gene from their tiny island. In college, I ran against...


Explores the roles of both genetics and training in athletic success, arguing that both are equally necessary components of athletic achievement while considering such topics as race, gender, and genetic testing
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In high school, I wondered whether the Jamaican Americans who made our track team so successful might carry some special speed gene from their tiny island. In college, I ran against Kenyans, and wondered whether endurance genes might have traveled with them from East Africa...


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