This publication contains the opinions and ideas of its author. It is sold with the understanding that the author and publisher are not engaged in rendering health services in the book. The reader should consult his or her own medical and health providers as appropriate before adopting any of the suggestions in this book or drawing inferences from it.

The author and publisher specifically disclaim all responsibility for any liability, loss, or risk, personal or otherwise, which is incurred as a consequence, directly or indirectly, of the use and application of any of the contents of this book.

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Copyright © 2019 by David A. Sinclair, PhD

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First Atria Books hardcover edition September 2019

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Illustrations and Sinclairfont by Catherine L. Delphia. Illustrations in Cast of Characters by David A. Sinclair, PhD. For reproductions, contact David A. Sinclair, PhD.

Interior design by Ruth Lee-Mui

Cover design by Emma A. Van Deun

Cover illustration by Grazia Bellabarba

Author photograph © Brigitte Lacombe

Library of Congress Cataloging-in-Publication Data

Names: Sinclair, David A., 1969– author. | LaPlante, Matthew D., author.

Title: Lifespan : why we age—and why we don’t have to / David A. Sinclair, Ph.D., A.O. with Matthew D. LaPlante ; illustrations and Sinclairfont by Catherine L. Delphia.

Description: First Atria Books hardcover edition. | New York : Atria Books, 2019. | Includes bibliographical references and index.

Identifiers: LCCN 2019007196 (print) | LCCN 2019009229 (ebook) | ISBN 9781501191992 (eBook) | ISBN 9781501191978 (hardback)

Subjects: LCSH: Life spans (Biology) | Longevity. | BISAC: SCIENCE / Life Sciences / Genetics & Genomics. | HEALTH & FITNESS / Diseases / Genetic.

Classification: LCC QH528.5 (ebook) | LCC QH528.5 .S56 2019 (print) | DDC 570—dc23

LC record available at https://lccn.loc.gov/2019007196

ISBN 978-1-5011-9197-8

ISBN 978-1-5011-9199-2 (ebook)

Thanks to Christine Liu and her team at the Innovative Genomics Institute (IGI) for permission to use the Glossary icons. Thanks to Wikipedia for biographical facts in the cast of characters.