Copyright © 2015 by Jeanne Marie Laskas

All rights reserved.

Published in the United States by Random House, an imprint and division of Penguin Random House LLC, New York.

RANDOM HOUSE and the HOUSE colophon are registered trademarks of Penguin Random House LLC.

Grateful acknowledgment is made to Cambridge University Press for permission to reprint an excerpt from “The Aftermath of Boxing” by J.A.N. Corsellis, C. J. Bruton, and Dorothy Freeman-Browne from Psychological Medicine, vol. 3, issue 3, August 1973, pp. 270–303, copyright © 1973 by Cambridge University Press. Reprinted by permission.

Portions of this book have appeared, in different form, in GQ.

LIBRARY OF CONGRESS CATALOGING-IN-PUBLICATION DATA

Laskas, Jeanne Marie

Concussion / Jeanne Marie Laskas.

pages cm

“A Random House Trade Paperback Original”—T.p. verso.

ISBN 978-0-8129-8757-7 (acid-free paper)—ISBN 978-0-8129-9808-5 (eBook)

1. Brain—Concussion. 2. Sports injuries. 3. Head—Wounds and injuries. I. Title.

RC394.C7L37 2015

617.5'1044—dc23 2015020171

eBook ISBN 9780812998085

randomhousebooks.com

Book design by Victoria Wong, adapted for eBook

The motion picture Concussion is based on the GQ article “Game Brain” by Jeanne Marie Laskas, published September 2009.

Cover design: Fort

Cover photograph: © Tom Pannell/Corbis

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