Food Politics

by Marion Nestle
Sep 13 2024

Weekend reading: food advertising analysis—from India!

Nutrition Advocacy in Public Interest is “A national think tank on nutrition” in India, “consisting of independent experts in epidemiology, human nutrition, community nutrition and paediatrics, medical education, administration, social work and management.”  This group is calling for regulation of unhealthy  ultra-processed foods. 

This new report gives examples of food product ads, (50 of them) by method of appeal along with what information is concealed.  One example:

Take a look.  These are fun.  It’s terrific to see this kind of analysis coming from India.

Sep 12 2024

What’s happening with sweeteners?

We do love sweet foods.  Alas, sugars have calories but nothing else of nutritional value and they are associated with poor health.

What are the poor makers of sugary foods and beverages to do?  Here are some recent approaches.

And then there are the safety questions.

But questions about sugar substitutes have been swirling for decades, with scientists and public health officials suggesting they might come with certain health risks of their own. The research on how sugar substitutes affect our bodies is preliminary, complex and sometimes contradictory.

…But longer-term studies on sugar substitutes have found no weight loss benefits, and even some harms. For this reason, the World Health Organization recommended in 2023 that people avoid using sugar substitutes for weight control or better health, citing research that linked them to greater risks of health concerns like Type 2 diabetescardiovascular diseaseobesity and earlier death. The sugar alcohols erythritol and xylitol have also been associated with a greater risk of heart attack and stroke.

What to do?  For me this is easy.

  • I don’t like the way they taste.
  • They are a marker of ultra-processed foods.
  • I don’t eat anything artificial if I can avoid it.

How harmful are they?

I don’t know for sure but would prefer not to be a guinea pig.

Sep 11 2024

Time to consider: taxing unhealthy foods, supporting healthy foods?

The World Health Organization has issued guidelines for taxing unhealthy foods: Fiscal Policies to Promote Healthy Diets.

On the basis of current evidence, the WHO recommends:

  • Taxes on sugar-sweetened beverages (SSBs)
  • Consideration of policies to tax unhealthy foods
  • Consideration of policies to subsidize healthy foods

A recent article explains why the recommendation for SSB taxes is so strong: Sweetened Beverage Tax Implementation and Change in Body Mass Index Among Children in Seattle.

  • Findings  In this cohort study of 6313 children living in Seattle or a nearby comparison area, a statistically significant reduction in BMI was observed for children in Seattle after the implementation of a sweetened beverage tax compared with well-matched children living in nontaxed comparison areas.
  • Meaning  These results suggest that the sweetened beverage tax in Seattle may be associated with a small but reasonable reduction in BMI among children living within the Seattle city limits.

The World Bank is tracking global SSB taxes in a database.

The Global Food Research Program at University of North Carolina also has a database.  It displays the data in maps.

 

The news here is the recommendation to start working on tax strategies to reduce consumption of unhealthy foods and promote consumption of healthier foods.

Stay tuned!

Sep 10 2024

Annals of research: Crunch science

I am indebted to Bakery&Snacks, a newsletter I subscribe to, for this unusully enlightening report.

The science of sound: What is it about the crunch that keeps snackers dipping in for more?  The sound of snacking is surprisingly important and impacts the multisensory experience that is so linked to the overall pleasure and satisfaction. From the Crunch Effect to the influence of onomatopoeias, it’s an enlightening subject that no product developer or marketer should ignore…. Read more

I always knew that tons of research went into developing snack foods, but was not aware that the “sound of snacking” mattered so much to sales.

The research demonstrates:

  • People eat more pretzels if background noise cancels out the sounds of eating them (this is why restaurants are so noisy?).
  • Crisp products produce higher pitched sounds; people wearing headphones eat less.
  • Crunching sounds stimulate eating.

Here we have science devoted to pushing snack foods.

The study of chewing sounds involves a lot more than just the crispiness, crunchy or freshness of a product and the consumer’s perception.  It’s a science that involves knowing how the characteristics of the jaw, teeth and soft tissues in the mouth influence the perceived sounds, specifically the bone-conducted sound travelling through the teeth and jaws to the ear*. Then there’s the contribution of air and bone conduction, the number of sound bursts in a bite or chew, the frequency and pressure level and…it gets very complex and scientific.

Snacks, alas, are largely ultra-processed and sources of calories, lots of them (the more snacks, the more calories).

But look at the research, courtesy of this article.  Impressive, no?

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Sep 9 2024

Industry-funded studies of the week: Walnuts again and again

The walnut industry must be desperate for greater market share.  Walnuts are great and make a terrific snack if you don’t eat too many of them (calories!).  But this is one-food research.  Can one food really make an important difference to health (yes, if you are seriously deficient in essential nutrients but most Americans are not).

One-food research has to be about marketing more than science.

To wit:

A Cross-Sectional Study on the Association of Walnut Consumption with Obesity and Relative Fat Mass among United States Adolescents and Young Adults in NHANES (2003–2020).  2024 Current Developments in Nutrition.  DOI: https://doi.org/10.1016/j.cdnut.2024.104407

Conclusions: For adolescents girls and young women, dietary intake of walnuts combined with other nuts has the strongest inverse association with measures of obesity.

Funding: This study was funded by the California Walnut Commission.

Comment

The study does not find an association between eating walnuts and obesity in adolescents.  I would not expect it to.  People do not eat that many walnuts.  They get most of their calories from fast and ultraprocessed foods.

The California Walnut Commission would like you to think the calories in walnuts do not count.  In a press release, it points out

Nuts, including walnuts, are nutrient dense and considered a key component of many recommended dietary patterns, including the Mediterranean and vegetarian diets. They are also recommended for daily consumption in the latest U.S. Dietary Guidelines.3 Despite the recommendations, nuts remain under-consumed by the U.S. population,3 perhaps due to nuts being calorie dense, leading to potential concerns that including nuts in the diet could promote weight gain. But new research suggests people, especially Gen Z and millennials, should reconsider nuts, like walnuts.

All true, but nuts in general, not specifically walnuts.  This is about increasing the market share for walnuts as opposed to other nuts.

Sep 6 2024

Weekend reading: Endocrine-Disrupting Chemicals (EDCs)

A reader suggested this report for weekend reading:  Endocrine Disrupting Chemicals : Threats to Human Health: Pesticides, Plastics, Forever Chemicals, and Beyond.

Among the report’s key takeaways:

  • EDCs in the environment may contribute to disorders with hormonal underpinnings such as diabetes, neurological disorders, reproductive disorders, inflammation, and compromised immune functioning.
  • EDCs do not behave like other chemicals, and current regulatory practices do not account for the ways that EDCs can pose health threats. EDC exposures at even extremely low dosages can alter biological outcomes and the effects of low doses cannot be predicted by the effects observed at high doses. This means there may be no safe dose for exposure to EDCs.
  • Products that may contain EDCs include furniture, toys and children’s products, food packaging, electronics, building materials, cosmetics, and many others. People can also be exposed to EDCs from pesticides, air pollutants, industrial waste, and other pathways.

The report reviews the research on pesticides (e.g., glyphosate), plastics and plasticizers (bisphenols, phthalates), household chemicals (arsenic), industrial chemicals (PFAS).  These show up in food and water, which is why they are matters of food politics.

This whole topic can be confusing: so many chemicals, so many effects, so much misinformation (especially from industry)—and you can’t see, taste, smell, or avoid them.

This report explains what everyone needs to know : the science, exposures, health effects, (especially in children), and regulatory needs.

This is a great place to start, troubling as it is to know about EDCs and how little is being done about them.

 

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Sep 5 2024

New product of the week: Animal-free dairy milk (an oxymoron?)

A reader, Katya Bloomberg, suggested I take a look at Bored Cow, “animal-free dairy milk” pumpkin spice flavored, no less.

Animal-free dairy milk sounds like an oxymoron.  What could this be?  Mostly, the website says what it does not contain.

So what’s in this?  The website doesn’t say, but Target’s does.

Ingredients: water, cane sugar, whey protein (from fermentation), sunflower oil, less than 1% of: cinnamon, vitamin a, vitamin b2 (riboflavin), vitamin b12 (cyanocobalamin), vitamin d2, citrus fiber, salt, dipotassium phopshate, acacia, gellan gum, mixed tocopherols (antioxidant), calcium potassium phosphate citrate, natural flavor.

An ultraprocessed drink, for sure, with 20 grams of sugar per 12 ounces.  The whey (the main protein in milk) is made by microorganisms, not cows. 

The process is called precision fermentation.  It involves 5-steps:

  • Genetic modification of bacteria or yeast (the Bored Cow website says nothing about this)
  • Cell growth
  • Protein production
  • Purification (centrifugation, homogenization, filtration)
  • Whey production

How precise is the fermentation?

Iowa-based Health Research Institute (HRI) tested a Bored Cow product, which is described as “a milk alternative made with milk protein from fermentation instead of cows.” Using full spectrum molecular analysis technology, HRI found 92 small molecules in the product that are unknown to science, according to John Fagan, chief science officer at HRI.

Katya points out:

People are still largely confused and have no understanding what a bio-identical whey protein created by means of fermentation is. Largely though people also think that fermentation is good for health. Many vegans think this milk is vegan since it’s animal free, but it wouldn’t be a good choice for those on a plant based diet as it’s identical to actual cow milk protein. Not to mention that it’s a mix of protein with water and added oil which is hardly good for anyone… It’s a milk information war at its finest!!! Just keep confusing the consumer.

So how does this stuff taste?  I went to the Ithaca Target to look for it but could not find it.  If you can and try it, let me know.

 

Sep 4 2024

USDA’s guidance on meat labeling: still voluntary, alas.

The USDA announces updated guidelines for substantiating claims on meat and poultry labels in these categories.

  • Animal Welfare Claims
  • Breed Claims
  • Diet Claims
  • Living or Raising Conditions Claims
  • Negative Antibiotic Use Claims
  • Negative Hormone Use Claims
  • Source and Traceability Claims
  • Organic Claims
  • Environment-Related Claims

It says:

Animal-raising claims, such as “Raised Without Antibiotics,” “Grass-Fed” and Free-Range,” and environment-related claims, such as “Raised using Regenerative Agriculture Practices” and “Climate-Friendly,” are voluntary marketing claims that highlight certain aspects of how the source animals for meat and poultry products are raised or how the producer maintains or improves the land or otherwise implements environmentally sustainable practices…FSIS [USDA’s Food Safety and Inspection Service] last updated its guideline on these claims in 2019.

USDA’s new guidance says it “strongly encourages”

  • The use of third-party certification to substantiate animal-raising or environment-related claims
  • Substantiating “no antibiotics” claims by testing for antibiotics or using a third-party certifier who does the testing
  • Providing data on soil or air quality studies to substantiate environmental claims

Comment

This guidance is voluntary.

This raises immediate questions about the antibiotic claim.  A study conducted by researchers and policy experts at George Washington University found 20% of cattle marketed as “raised without antibiotics” to have been treated with antibiotics.

You would think that fixing this situation requires mandatory regulation, not voluntary.

Groups concerned about animal welfare also object.  The Animal Welfare Institute wants stronger standards.

The ASPCA issued a press release: “ASPCA Condemns Long-Awaited USDA Guidelines that Fail to Meaningfully Improve Oversight of Animal Welfare Label Claims”

ASPCA’s labeling guide points out that claims for cage-free, humane-raised, and pasture-fed, for example,

which often appear on the packaging of meat, egg and dairy products, may indicate better animal welfare but lack strong standards and have no on-farm verification processes, meaning farm conditions and the treatment of animals vary widely across producers.

Voluntary means that producers can voluntarily ignore such guidelines.  Plenty of evidence suggests that many do.

We need a better system.

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