Vitamin D For Dummies®

by Alan L. Rubin, MD

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About the Author

Alan L. Rubin, MD, is an endocrinologist who has practiced in San Francisco for more than 35 years. Dr. Rubin was an Assistant Clinical Professor of Medicine at the University of California Medical Center in San Francisco for 20 years. He has spoken about topics in endocrinology to both professional medical audiences and nonmedical audiences around the world. His interest in diabetes first led him to a study of vitamin D. Dr. Rubin is also a professional member of the Endocrine Society.

Dr. Rubin began writing For Dummies books with Diabetes For Dummies in 1999. Since then, Dr. Rubin has had five other bestselling For Dummies books — Diabetes Cookbook For Dummies, Thyroid For Dummies, High Blood Pressure For Dummies, Type 1 Diabetes For Dummies, and Prediabetes For Dummies — all published by Wiley Publishing. His six previous books cover the medical problems of 150 million Americans.

Dr. Rubin has now written a total of 13 For Dummies books, with first, second, and third editions. His books have been translated into 15 languages.

Dedication

This book is dedicated to my patients, who have taught me so much and made my decision to become a physician the exact right one for me. Over these many years, I have laughed with them, cried with them, and enjoyed their willingness to open their lives to me. I’ve become friends with too many patients to name. I want to recognize some of them by their first names (you know who you are), in no particular order. Forgive me if I’ve inadvertently left you out.

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Author’s Acknowledgments

For this first edition, acquisitions editor Michael Lewis deserves major thanks. I have had the pleasure of working with him for several years. He is supportive, encouraging, and fun, and I look forward to a long association with him. I am also blessed with another great project editor, Vicki Adang, who not only made sure that everything was readable and understandable, but also offered excellent suggestions to improve the book. My thanks also to Dr. Jim Fleet for reviewing the book.

Publisher’s Acknowledgments

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Some of the people who helped bring this book to market include the following:

Acquisitions, Editorial, and Media Development

Project Editor: Victoria M. Adang

Acquisitions Editor: Michael Lewis

Copy Editors: Krista Hansing, Susan Hobbs

Assistant Editor: David Lutton

Contributing Technical Editors: James C. Fleet, PhD., Department of Foods and Nutrition, Purdue University; Christopher S. Kovacs, MD, FRCPC, FACP; Professor of Medicine (Endocrinology), Obstetrics and Gynecology, and BioMedical Sciences, Memorial University of Newfoundland

Editorial Manager: Michelle Hacker

Editorial Assistants: Rachelle Amick, Alexa Koschier

Art Coordinator: Alicia B. South

Cover Photo: ©iStockphoto.com/Les Cunliffe

Cartoons: Rich Tennant (www.the5thwave.com)

Composition Services

Project Coordinator: Kristie Rees

Layout and Graphics: Nikki Gately, Joyce Haughey, Corrie Socolovitch

Proofreader: Tricia Liebig

Indexer: Infodex Indexing Services, Inc.

Illustrator: Kathryn Born

Publishing and Editorial for Consumer Dummies

Diane Graves Steele, Vice President and Publisher, Consumer Dummies

Kristin Ferguson-Wagstaffe, Product Development Director, Consumer Dummies

Ensley Eikenburg, Associate Publisher, Travel

Kelly Regan, Editorial Director, Travel

Publishing for Technology Dummies

Andy Cummings, Vice President and Publisher, Dummies Technology/General User

Composition Services

Debbie Stailey, Director of Composition Services