Paleo, keto, fasting, Whole 30: Why food tribes are on the rise

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The Paleo diet, including these foods, was the second most popular in a recent survey.
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Does it seem like suddenly everyone you know is identifying as Paleo, giving keto a whirl, or suffering through Whole 30? Well, it’s not your imagination. Compared with this time last year, the percentage of American adults following a specific diet protocol more than doubled, from 14 percent to 36 percent. In other words: Food tribes are on the rise. That’s one of the most surprising findings of the annual Food & Health Survey released today by the International Food Information Council Foundation.

The most popular dozen diets were, in descending order: intermittent fasting, Paleo, gluten-free, low-carb, Mediterranean, Whole 30, high-protein, vegetarian/vegan, weight-loss plan, cleanse, DASH and ketogenic/high-fat. Taken alone, each of these diet dogmas snatches up only 3 to 10 percent of the population. (Respondents — of which there were more than 1,000, in a weighted national sample polled online in March — could choose more than one.) But altogether, about 16 percent were eating low-carb in some way. And the reason seems to stem from evolving perceptions of what causes weight gain.

[5 Diets, one year later: Did our staffers keep off the weight?]

Of those following a certain creed over the past year, weight-related motivators were at the top of the list. Those surveyed considered sugar the top calorie-related culprit of weight gain, followed by carbohydrates, cited by 25 percent of respondents — up 5 percentage points compared with 2017, and a record for the 13-year survey.

Admittedly, a methodological asterisk is at play: Last year, participants were given an open text box rather than specific diets to choose from. But according to the foundation, the spike was probably caused by more substantive undercurrents. In the quest for optimal health and weight, what is driving more Americans to follow specific diet regimens?

anakopa

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A vegan dish.

I certainly had my hunches. Rising rates of food allergies. Celebrity diet evangelism (think: Tom Brady and TB12, Kourtney Kardashian and keto). Or perhaps the political polarization of the times trickling over into gastronomic groupings. But rather than speculate, I turned to the experts.

Most people have “got wise to” the reality that most “quick-fix fad diets” might work in the short-term but not in the long-term, said Louise Foxcroft, author of “Calories and Corsets: A History of Dieting Over 2,000 Years.”

Instead, consensus has been coalescing around the idea that the best diet is the one you can stick to. Whether for weight management or feeling your best, it’s intuitive to pick a protocol that fits your distinct needs and preferences: If you have Type 2 diabetes, going gluten-free may not help manage your blood sugar, but low-carb could do the trick; or if the thought of forgoing fries is an unbearable threat to your quality of life, low-carb might be off the table, but veganism could be a cinch.

“People feel that their own bodies are unique, and they look to find approaches that allow them to customize their eating habits to align with their personal food values and attitudes on health,” said Liz O’Hara, consumer insights manager for General Mills’ Natural and Organic brands, in an email. “These various approaches give people a way to feel accountable and often times provide a sense of community with other like-minded individuals.”

Younger people may be accelerating the personalized nutrition trend, according to Alexandra Lewin-Zwerdling, IFIC Foundation’s vice president of research and partnerships. Those ages 18 to 34 were significantly more likely (45 percent) to adopt a certain diet than the number across all age groups (again, 36 percent), and adults 65 and older were significantly less likely (28 percent). Millennials and Generation Z put more trust in technology-based sources of information, such as blogs, lifestyle apps and social media influencers. Those sources are more likely to advocate newer, tailored approaches vs. more traditional, one-size-fits-all approaches such as MyPlate, which one might read about in a doctor’s office.

Stacy Zarin Goldberg

For The Washington Post

Bacon is popular on the ketogenic, or keto, diet.

Perhaps the greatest irony from the survey is that friends and family were ranked low on the list of information sources people trust for what to eat or avoid (third from the bottom out of 14), yet tied with health-care professionals as the top pick for whom people rely on. “Regardless of whether we think my brother is credible, he’s on Whole 30 so I’m gonna try it,” Lewin-Zwerdling said. She noted a ripple effect, meaning the more a certain diet gets covered in the news, the more friends and family are talking about that diet, and the more likely individuals in that network become to adopt the diet.

The same trust/reliance discrepancy appeared for news articles, headlines and TV news, which was tied with registered dietitian nutritionists and health-focused websites as the second most-relied-upon sources, yet news sources ranked second-to-last for trust. (Which means you probably don’t believe a word I write, and yet, you may very well decide what to have for lunch because of it.)

Friends and family are both more convenient and more emotionally appealing because we have an interpersonal connection with them, said Jason Riis, marketing lecturer at the Wharton School at the University of Pennsylvania. Most of us don’t take the time to read scientific papers or bother booking an appointment with a dietitian; instead, news and commentary from friends and family come to us automatically, especially through social media feeds. “In fact, exposure to these passive sources is increasing,” he said. “And we have evidence that falseness tends to travel faster and further through those passive networks.”

Certainly not all information about all food formulas is false, but many of the claims (for Paleo, gluten-free and Whole 30 diets, to name a few) are unsubstantiated. The survey also found that consumers are eating more protein and fewer fruits and vegetables than the recommended amounts — possible byproducts of the focus on low-carb. “Things that are false are more likely to be interesting because they’re counterintuitive,” Riis said. “So, we tend to want to share things that are counterintuitive and not obvious. . . . That may be one of the things that is creeping up and advantaging fad diets, because many claims about fad diets that get shared get shared quickly and influence people.”

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Traditional bread is verboten on a gluten-free or low-carb diet.

It has become significantly easier to follow a specific diet because of more diet-specific options in the marketplace, from Paleo protein bars to restaurants catering to Whole 30. The “free-from” packaged foods industry is booming, and there are more choices now for diet-compliant meal delivery kits.

Diet programs themselves have also been adapted to an enlightened public. “The backlash against ridiculous crazy fad diets is on the move, but the diet industry has realized that people are wise to it,” Foxcroft said. Programs offering recipes and products are now more focused on long-term mindful eating and fresh, whole foods. In her words, “the diet industry has found a way to make money out of common sense.”

Part of the expanding marketplace of these products, said Riis, is to whom they get marketed: moms, who still make most of the family food decisions. In fact, the survey found that those with children under 18 in the house were more likely to adhere to a specific eating pattern (44 percent vs. 32 percent) than those who have never had kids or with older kids who might be out of the house. What is it about housing children that makes you a prime target for, say, vegan cupcakes? Fear. Food companies and activist groups spend marketing dollars to make moms “afraid of GMOs, meat, processed foods — anything in traditional diets,” Riis said.

As Lewin-Zwerdling put it, “Your own mortality comes front and center once you have kids.”

Eight in 10 respondents agreed with the statement, “There is a lot of conflicting information about what foods I should eat or avoid,” which 59 percent said made them doubt their choices. This may lead consumers toward a desire for simplified nutrition messaging, said Lewin- Zwerdling. Instead of the stress and decision fatigue that plagues many shoppers, your grocery list becomes laser-focused. As in: skip the bakery section, or just find all the Paleo stuff.

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The survey’s respondents rated sugar as the top culprit behind weight gain.

Widespread confusion may also help explain why intermittent fasting was the most popular code of consumption, at 10 percent. It offers the ultimate simplicity. People appear to be drawn to the control and structure it provides, in addition to its straightforward tenets: Eat. Then don’t eat. Like a faucet, you just turn it on and off. Everything else gets to stay the same.

So while an array of newish dietary doctrines may draw some of us into distinct food tribes, what’s capturing the greatest attention is old-fashioned abstinence — surely a familiar concept from American history. You know what else the survey revealed about our food choices? Almost nothing beats the familiar.

Egan is a San Francisco-based writer whose next book aims to help you match your food choices to your political and health profiles.

More from Food:

5 Diets, one year later: Did our staffers keep off the weight?

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