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One Man Alone:

An Investigation of Nutrition, Cancer, and William Donald Kelley

Nicholas J. Gonzalez, MD

The Nutritional/Enzyme Cancer Therapy of Dr. William Donald Kelley

Enzymes and Cancer lecture

Available through Amazon in hardback and Kindle editions Amazon

ISBN: 978-0-9821965-6-4
520 pages including medical records and references
Product dimensions: 8.25 x 11 inches

In this monograph, Dr. Gonzalez describes his investigation of the nutritional/enzyme cancer treatment developed by the alternative practitioner Dr. William Donald Kelley. The book includes a discussion of Kelley's treatment approach, as well as 50 case histories of successfully treated cancer patients along with copies of pertinent medical records. Although originally completed in 1986, this monograph was not published until 2010, rewritten and with an updated introduction by Dr. Gonzalez. The book is now available to all those with an interest in cancer in general, the enzyme treatment of cancer in particular, alternative medicine, and Dr. Kelley.

This book is intended for general informational purposes, not as a medical manual or a how-to book for self-treatment. Please consult with your physician before starting or modifying any treatment program.

Read the Introduction, the Table of Contents, Reviews, About the Author, and a Case Report Excerpt (750 KB)

From the Back Cover:

Arlene Van Straten, a long-term survivor of pancreatic cancer (Patient #34 in the book):

“I would have been dead 28 years ago! Who knew there were still miracles going on around and for us! I had been diagnosed at Mayo Clinic (through surgery and biopsy of the liver) as having pancreatic and liver cancer and given 6 months to live. One day, while shopping, I happened to find a $3 book called One Answer to Cancer. The book was by Dr. Kelley, who at the time had a young, good looking understudy named Nicholas Gonzalez! Yes—the author of this book!

“Believe me—you can beat cancer—with the right help. You'll get the answer here! Trust me, and him. Dr. Gonzalez is the best friend you will ever meet and live to tell everyone about. I've been telling my story to everyone who will listen for the last 28 years!

“This book should be mandatory reading for every man, woman and teenager! You'll learn about a whole different slant on life.”


One Man Alone: An Investigation of Nutrition, Cancer, and William Donald Kelley is a fascinating book that should be part of everyone's professional library.” The New Zealand Journal of Natural Medicine

“The product of years of research and investigation by Doctor Nicholas J. Gonzalez into nutritional/enzyme approaches to the treatment of cancer, One Man Alone is a 520-page work of seminal medical scholarship that provides the reader with an informed and informative critique of the theories and practices of Doctor William Donald Kelley, a pioneer in the field of treating aggressive cancers. Drawing upon fifty illustrative case histories, the value of nutritional supplements (including large doses of pancreatic enzymes) in the treatment of cancer is presented in this seminal study. Superbly organized, deftly presented, essential reading for all medical and health professionals dealing with the research and treatment of cancers, One Man Alone is a core addition to professional and academic library Health/Medicine reference collections and supplemental Cancer Studies reading lists.” The Midwest Book Review

“I especially enjoyed Dr. Gonzalez' presentation of Dr. Kelley's case history data. I think the argument relating to the rarity of spontaneous remission dramatizes the power of the results. The case histories themselves are very dramatic, leaving no doubt to anyone with a reasonable mind, of the efficacy of Dr. Kelley's program. We should do everything we can to see that as many people as possible get the opportunity to read these books.” Stephen Levine, Ph.D., reviewing on Amazon

“For me, reading One Man Alone was a medical education. I have seen my own medical records, but this book provides a unique opportunity to review all the relevant medical records of 50 individuals diagnosed with advanced cancers, starting with the early – and often wrong – initial diagnosis.” Owen Fonorow reviewing in the Townsend Letter

About the Author:

Nicholas J. Gonzalez, M.D.

Dr. Gonzalez died in July 2015. He had been in private practice since 1987 in New York City treating cancer and other degenerative diseases. He graduated from Brown University, Phi Beta Kappa, magna cum laude with a degree in English Literature. He worked as a journalist, first at Time Inc., before pursuing premedical studies at Columbia University as a postgraduate student. He received his medical degree from Cornell University Medical College. then completed fellowship training in immunology under Robert A. Good, M,D., Ph.D., considered the “founder of modern immunology.” While pursuing his investigation of Dr. Kelley, Dr. Gonzalez lived in Dr. Kelley’s home and personally interviewed over 1000 of his patients. For more information, see his website.

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