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First published by Penguin Press, an imprint of Penguin Publishing Group, a division of Penguin Random House LLC, 2015
Copyright © 2015 by Justin Sonnenburg and Erica Sonnenburg
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Photograph credits
Pages 12 and 14: © Justin Sonnenburg, Jaime Dant, and Jeffrey Gordon
Page 17: Pascal Gagneux
Page 74: © Kristen Earle and Justin Sonnenburg
ISBN 978-0-69818-1-021
Neither the publisher nor the author is engaged in rendering professional advice or services to the individual reader. The ideas, procedures, and suggestions contained in this book are not intended as a substitute for consulting with your physician. All matters regarding your health require medical supervision. Neither the author nor the publisher shall be liable or responsible for any loss or damage allegedly arising from any information or suggestion in this book.
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