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Genetic Roulette: The Documented Health Risks of Genetically Engineered Foods Hardcover – January 31, 2007

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Editorial Reviews


"When I worked at Monsanto, I warned both scientists and executives that our GM foods may cause disease, but no one was even willing to listen, let alone investigate the unpredicted side effects. For them, it was all about profit. Now our whole population is threatened by the serious dangers described in Genetic Roulette."--Kirk J. Azevedo, DC

"Congratulations, Jeffrey Smith, for your courage. Thanks to your tireless investigations, we need wonder no longer why corporations spreading GMOs are so secretive, why they've spent hundreds of millions to keep us from even knowing which foods contain GMOs. They don't want us to examine the shoddy science, the suppressed evidence, and, most of all, the real health risks that GMOs present. Read Genetic Roulette not only to protect yourself and your family but to learn through this breath-taking story what all Americans need to do to reclaim our democracy and protect our planet."-- Frances Moore Lappé, author of Democracy's Edge and Diet for a Small Planet

"I used to test for soy allergies all the time, but now that soy is genetically engineered, it is so dangerous that I tell people never to eat it--unless it says organic. Genetic Roulette tells you why you must avoid genetically engineered foods to stay healthy."--John H. Boyles, MD, ear, nose, and throat, and allergy specialist

"Jeffrey Smith is the leading world expert in the understanding and communication of the health issues surrounding genetically modified foods. Genetic Roulette, which brings in original contributions by eminent scientists worldwide, makes it crystal clear that the American FDA should not be so cavalier about the potential dangers of these procedures."--Candace Pert, PhD, author of Molecules of Emotion and Everything You Need to Know to Feel Go(o)d and former Chief of the Section, National Institutes of Health

"The most comprehensive, well-documented, and highly readable exposé on the serious health dangers of GM foods."--Samuel S. Epstein, MD, professor emeritus of Environmental Medicine, University of Illinois at Chicago School of Public Health and chairman, Cancer Prevention Coalition

About the Author

International bestselling author of Seeds of Deception and Genetic Roulette, Jeffrey M. Smith is a widely popular spokesperson on the documented health risks of genetically modified organisms (GMOs) and how biotech companies rig research, gag critics, hijack regulators, and spin fantastic unfulfilled promises. His Institute for Responsible Technology's Campaign for Healthier Eating in America is designed to achieve the tipping point of consumer rejection of GMOs to force them out of the food supply. The campaign encourages public and private showings of the Monsanto film and offers support material at He lives in Fairfield, Iowa. You can visit Jeffrey's blog on the Huffington Post at

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Product Details

  • Hardcover: 312 pages
  • Publisher: Yes! Books; 4th edition (January 31, 2007)
  • Language: English
  • ISBN-10: 0972966528
  • ISBN-13: 978-0972966528
  • Product Dimensions: 8.8 x 1 x 11.2 inches
  • Shipping Weight: 2.4 pounds (View shipping rates and policies)
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (61 customer reviews)
  • Amazon Best Sellers Rank: #99,752 in Books (See Top 100 in Books)

More About the Author

Jeffrey M. Smith is the director of the Institute for Responsible Technology and is one of the world’s leading advocates against GM foods. His book Seeds of Deception is rated the number one book on the subject and has had a substantial influence on public perception and even legislation. Smith has reached tens of millions of people through hundreds of media interviews. He produced the video Hidden Dangers in Kids’ Meals, and also writes a popular monthly syndicated column. He is on the Genetic Engineering Committee of the Sierra Club, was the former vice president of marketing for a GMO detection laboratory, and ran for U.S. Congress in his home state of Iowa to raise public awareness of the health and environmental dangers of GM foods.

Customer Reviews

Most Helpful Customer Reviews

154 of 172 people found the following review helpful By Ms. C. J. Robinson on June 8, 2007
Format: Hardcover
What's your response when someone comes out with a statement they've picked up from somewhere to the effect that "There's no evidence that GM food is harmful"?

If you have time and energy, perhaps you manage to scrabble together bits and pieces from memory, the web, or an article. But considering the number of calls that the business of living places on us, perhaps you just shrug your shoulders and muse that the world is going to hell in a handbasket of Bush, Blair, and Monsanto's making and there's nothing you can do about it.

Well, now there is. Just point them in the direction of the latest book from Jeffrey Smith, Genetic Roulette.

A must-read for policy-makers, educators, and journalists, it's also invaluable for anyone who wants to sharpen their weaponry in the battle against the imposition of GM foods. And judging by emails I've received from students asking about the risks of GM food, every educational institution and public library needs a copy.

Those who enjoyed Smith's previous book, Seeds of Deception, should be warned that this isn't the same sort of read. Seeds laid out the fraud of GM through its stories: the honest scientists who were gagged, threatened, and persecuted; the consumers who got sick and died from eating a supplement produced with GM bacteria, only to have their suffering covered up by a government protecting industry interests. Genetic Roulette is not a book of stories, but an easy-to-use reference book of scientific and other documented findings on the risks of GM foods.

Contrary to what the industry would have us believe, a considerable number of findings show GM causes harm, and they are clearly presented in this book.
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58 of 74 people found the following review helpful By Christine H. Farlow on September 18, 2007
Format: Hardcover
Genetic Roulette is well organized, well researched and well documented. It's layout makes it easy to pick out the main points of a topic or get all the details. It makes a handy reference and a good resource for plowing through all the specifics.

Jeffrey Smith is a stickler for accuracy. When I contacted him to use some excerpts from his books in my new editon of FOOD ADDITIVES: A Shopper's Guide..., it was very clear to me that he wanted to make sure that I was absolutely accurate with my facts. He demonstrated to me, his commitment to complete and total accuracy and publishing only factual information.

If you want to know the truth about genetically engineered food, I highly recommend this book.
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19 of 23 people found the following review helpful By Noel Phares on September 23, 2011
Format: Hardcover
Every single one of the 1-star raters on this title and author fail 100% to discuss the real issues here and instead rant against the quality of the author's science and documentation. There are real and potentially huge issues w/ GMO that warrant EXTREME CAUTION--especially in the context of what GMO really purports to solve. When you add up what GMO provides versus the harm already known to stem from GMO combined w/ yet to be discovered horrors the only sane approach is EXTREME CAUTION. Go explore how glyphosphate affects nutrient absorption and content in vegetable plant species. America: wise up like Europe has done a decade ago and DEMAND LABELING for GMO on all food products sold in the US. The author is empassioned about a very much under-the-radar hijacking of all sensibility in how GMO foods are entering the food supply uncontested by an FDA that doesn't demand testing in any meaningful way. I highly recommend the work of Jeffery Smith and am thankful he is taking this message forward at the grassroots level. And this doesn't even get into the nature of products employing "Roundup Ready" technology: this way you can shower the crops and soil w/ Roundup, and guess what, you get to eat it now.
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35 of 45 people found the following review helpful By Brian on August 16, 2009
Format: Hardcover Verified Purchase
This is an excellent companion to The Gmo Trilogy, for readers who wish to go into greater depth. The book explores possible medical risks associated with eating genetically modified foods, and comprises 1-2 page abstracts and essays by researchers. There are a lot more hypotheses than actual conclusions here, so none of these works have reached the stage of becoming peer-reviewed articles in scientific journals. Skeptics may attach whatever significance they wish to that fact, but the references to each article are published, verifiable, and legitimate. In fact, if the dangers of GMO foods is a topic of interest to you, this book is a worthwhile purchase for the references alone! The articles are all of a scientific nature, and do not address social, political, or economic issues.

One recurring theme which comes up in these pages is the idea of drug resistance transmitted from ingested foods to intestinal flora. A common trait of many genetically modified plants is selective pesticide resistance. The desired crop can then be sprayed with these pesticides. It was previously believed that stomach acid would break down the plasmids which confer pesticide resistance, but that has been shown to be incorrect. Intact plasmids have been recovered from intestinal washings. There is prescedent to hypothesize that these plasmids could be transferred to gut flora, and under the right conditions, could cause a multidrug-resistant intestinal infection.

I don't have the expertise to judge the danger this may represent (maybe nobody does), but I would be interested in comments from anybody scientifically trained in these fields
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