Viewpoint: Produce is sugary, GMO ‘poison’? Scientific American embraces long-debunked food safety tropes

| August 22, 2019
organic produce
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The headline is not exaggeration or hyperbole. Scientific American just ran an article claiming that vegetables are becoming like sugary snacks and are toxic. And that’s not even the worst part.

The article was given the ridiculous headline “Broccoli Is Dying. Corn Is Toxic. Long Live Microbiomes!” It was co-authored by a marine biologist and a retired English teacher. As one might expect from the headline, the article makes one outrageous, unscientific claim after another.

screenshot broccoli is dying corn is toxic long live microbiomes

The lies, distortions, and laugh-out-loud whoppers start early and often. Let’s dissect them:

As food writer Mark Bittman recently remarked, since food is defined as “a substance that provides nutrition and promotes growth” and poison is “a substance that promotes illness,” then “much of what is produced by industrial agriculture is, quite literally, not food but poison.”

This is the first sentence. Yes, that’s how this screed actually begins. Everything you eat is poison. How do we know? Because an organic food activist with no relevant scientific training or expertise says so.

Data going back to 1940, as reported by Eco Farming Daily, shows: “The level of every nutrient in almost every kind of food has fallen between 10 and 100 percent…”

Eco Farming Daily. Really? Let’s try a peer-reviewed journal instead, like the Journal of Food Composition and Analysis, which concluded in a March 2017 paper that “[c]omparisons of food composition data published decades apart are not reliable” because “changes in data sources, crop varieties, geographic origin, ripeness, sample size, sampling methods, laboratory analysis and statistical treatment affect reported nutrient levels.”

In a Twitter thread, Dr. Elisabeth Bik commented that copper levels decreased (perhaps because copper isn’t used as much as a fungicide, anymore), but other nutrient levels are probably similar over time.

Thank goodness for multivitamins…

No. Thank nobody for multivitamins, which are a scam. Healthy people who eat a relatively balanced diet do not need dietary supplements of any kind. Besides, they are poorly regulated, which means just about anything can be (and is) detected in them.

[I]ncreased atmospheric CO2 is accelerating photosynthesis; plants grow faster but contain fewer nutrients, which is expected to lead to worldwide nutrient deficiencies.

golden rice

The idea that the nutrients in food will become too “dilute” is dubious to begin with. But it’s also based on two flawed assumptions: (1) Nutrient-poor crops like rice are the main nutrient source for poor people; and (2) Diets won’t change over time. #1 is untrue because, while impoverished regions do rely heavily on food like rice for calories, they rely on other things, like fish, to satisfy other nutritional needs. #2 is untrue because diets do change over time, especially as a country becomes wealthier.

Vegetables becoming more like sugary snacks? Not good.

Those are two dumbest sentences ever constructed in the history of the English language. Even if vegetables lost all their nutritional content, we should still eat them because they provide fiber. (I would argue that fiber is the primary reason to eat fruits and vegetables since much of our other food is fortified with vitamins.) Americans are chronically undernourished when it comes to fiber, largely because we don’t eat enough fruits and vegetables.

Plus, GMO corn is also engineered with genes that enable it to produce multiple insecticides in every cell… So, what does this mean for us? Well, because corn is in so many foods (corn syrups, oils, and products of corn-fed farm animals, etc.), we are often ingesting several toxins with each bite.

The Bt toxins engineered into corn target insects, not humans. This is well-known, well-established scientific fact. The authors’ claims are simply anti-biotech talking points with no basis in reality.

The epidemic of 20 chronic diseases—including diabetes, obesity, breast and thyroid cancers, stroke and autism—is highly correlated with the rise in production of “Roundup Ready” GMO corn and soy, both sprayed with glyphosate.

Obesity, cancer, and autism are caused by biotechnology? The authors got that claim from a paper published in the dubious Journal of Organic Systems, which according to Mark Lynas, “does not appear in PubMed, suggesting it is not taken very seriously in the scientific community.”

Related article:  So Roundup “probably” causes cancer. This means what, exactly?
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What’s the solution to all of these fabricated problems? Tinkering with the microbiome, of course, the latest go-to miracle solution for snake oil salesmen. Naturally, the authors quote one such snake oil salesman, Zach Bush, who peddles a supplement (for the modest monthly price of $49.95) that supposedly prevents toxins from leaking out of your gut — whatever that means. If you switch to organic, the Scientific American authors claim that you will rejuvenate your microbiome and decrease your risk of autism, cancer, infertility, and Parkinson’s disease.

It goes without saying that there isn’t a shred of evidence for any of that.

Believe it or not, those lies were just the most flagrant ones in the article. There were probably at least a dozen others. In my nine years in science writing, I’ve never before seen an article that so egregiously twisted and misrepresented a whole host of sciences — from nutrition and agriculture to biotechnology and microbiology. What an embarrassment for Scientific American.

Alex Berezow is a microbiologist and Senior Fellow of Biomedical Science at the American Council on Science and Health. Follow him on Twitter @alexberezow

This article originally ran at the American Council on Science and Health as Scientific American Says Vegetables Are Toxic, Sugary Snacks and has been republished here with permission.

The GLP featured this article to reflect the diversity of news, opinion and analysis. The viewpoint is the author’s own. The GLP’s goal is to stimulate constructive discourse on challenging science issues.

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