Quotulatiousness

May 12, 2023

The crusade against (insert scare quotes here) Ultra-Processed Food

Filed under: Europe, Food, Health, Politics — Tags: , , , — Nicholas @ 03:00

In The Critic, Christopher Snowden traces the orthorexist journey from warning about the dangers of saturated fat, to protesting against sugar content in foods, through an anti-carbohydrate phase to today’s crusade against “Ultra-Processed Food”:

It is barely ten years since Denmark repealed its infamous “fat tax”. It was supposed to be a world-leading intervention to tackle obesity but it proved to be hugely unpopular and lasted just 15 months.

It seems almost strange now that it targeted saturated fat. In hindsight, it was the last gasp of the crusade against fat before all eyes turned to sugar. The anti-sugar crusade seemed to come out of nowhere in 2014 with the emergence of the tiny but phenomenally successful pressure group Action on Sugar. Within three years, the British government had announced a tax on sugary drinks, but by then the anti-sugar movement was morphing into a campaign against carbohydrates. That began to run out of steam a couple of years ago when many of the leading anti-carb personalities found that they could get more attention — and, dare I say, money — from being “sceptical” about COVID-19 vaccines.

They come and go, these food fads, but they all rely on the belief that there is something in the food supply that is uniquely dangerous, something hitherto unknown that only independent free thinkers can see is the cause of all our problems.

The new dietary villain is “ultra-processed food” (UPF), a concept that didn’t even exist until a few years ago but is now everywhere. There have been two books about UPF published in recent weeks and a third — Henry Dimbleby’s Ravenous — dedicated a lot of space to it.

The simple definition of ultra-processed food as used by those who are concerned about them (I am not making this up to make them sound silly) is anything that is “wrapped in plastic and has at least one ingredient you wouldn’t find in a home kitchen”. Since you probably don’t have emulsifiers, preservatives and artificial sweeteners in your kitchen, this rules out a lot of products.

The argument is that these products make you fat and should be avoided. The evidence for this comes from a study published in 2019. In a randomised controlled trial, ten people were given an ultra-processed diet and ten other people were given an unprocessed diet. Both diets were similar in their overall sugar, fat, protein and salt content, although the meals themselves were very different.

The participants were given all the food for free and they could eat as much as wanted. The people on the ultra-processed diet ended up eating 500 calories per day more than the other group and, after two weeks, had put on nearly a kilogram of weight. By contrast, the people on the unprocessed diet lost weight.

If you look at the food that was offered to the two groups, the explanation is obvious. The meals and snacks available to the UPF group were delicious whereas the food given to the other group was rather Spartan and was unlikely to make anybody ask for a second helping. If you give people tasty food for free, they will tend to eat more of it.

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