The truth about ultra-processed foods.
A brand-new research paper has been catching the headlines.
Ultra-processed foods are linked with 32 health parameters, including mortality, cancer, gastrointestinal, respiratory and more.
Uh-oh. That’s bad.
Now, here is the tricky thing.
A lot of these associations are actually quite weak. If you survey lots of people and ask them what they eat, you WILL often find that people who eat more ultra-processed foods tend to have worse health.
Maybe it’s because people who eat lots of ultra-processed foods tend to be consuming more fat, sugar, sodium, calories etc.
Or because ultra-processed foods often have additional additives (the evidence here is weaker than a lot of people imply).
Or maybe it’s just because people who eat a lot of ultra-processed foods also tend to eat fewer nutrient-dense foods, like fruits, vegetables, whole grains, legumes, etc.
One huge problem is that the term ‘ultra-processed’ actually applies to A LOT OF DIFFERENT foods, as if they are all the same family.
A probiotic yogurt is ultra-processed, but so is a box of chocolate cereal.
A chicken burger can be classed as ultra-processed, but so is a bag of gummy worms.
A lot of people use research like this to tell you to avoid ALL ultra-processed foods, and I fear that is a bit of an unrealistic, overzealous recommendation.
Basically, we currently have enough information to suggest that the overall dietary trend can come with health risks, but we need more mechanistic research to understand 1) what causes those health risks and 2) which foods specifically are causing them.
Make sense?
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Reference:
- Ultra-processed food exposure and adverse health outcomes: umbrella review of epidemiological meta-analyses
21 сен 2024