Copyright © 2015 by Deepak Chopra, M.D., and Rudolph E. Tanzi, Ph.D.

All rights reserved.

Published in the United States by Harmony Books, an imprint of the Crown Publishing Group, a division of Penguin Random House LLC, New York.

www.crownpublishing.com

Harmony Books is a registered trademark, and the Circle colophon is a trademark of Penguin Random House LLC.

Library of Congress Cataloging-in-Publication Data

is available upon request.

Hardcover ISBN 9780804140133

eBook ISBN 9780804140140

International Edition ISBN 9780804189316

Illustrations by Mapping Specialists, Ltd

Cover design by Jess Morphew

Cover photographs by (background) Tetra Images/Getty Images; (double helix) luismmolina/Getty Images

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