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Opinion or narrative review

Review of 9 studies: ultra-processed food went with overweight and obesity

Poti and colleagues · Current obesity reports · 2017

Original title: Ultra-processed Food Intake and Obesity: What Really Matters for Health-Processing or Nutrient Content?

Under review. A person has not yet checked this summary against the paper. It is written from the PubMed abstract. Until a person checks it, search engines are asked not to list this page.

What the study found

Points to harm

Four of five studies found more ultra-processed food went with overweight or obesity. Only three of nine studies were long-term. It is unclear whether processing or nutrient content is the cause.

The study at a glance

Type of study
Opinion or narrative review
Who or what was studied
People in about 9 studies of ultra-processed food and obesity
What was tested
Ultra-processed food intake and obesity and related heart and blood sugar risks
What it measured
The question itself: death, heart disease, diabetes and cancer
Who has a stake
No stake declared
No competing interests declared.
Journal
Current obesity reports, 2017
Source
PubMed record 29071481. This page is based on the abstract only.

How much this study counts

  • –An opinion or narrative review: no new data, and no set method for choosing which studies to discuss.
  • ✓No competing interests declared.
  • •Summarized from the PubMed abstract only. The full paper may hold details the abstract leaves out.

✓ Strength– Limit• Note

These points come from fixed rules about the type of study, its size and length, what it measured, and who has a stake. Every study on Digestery gets the same rules.

Where this study sits

This paper is not on the ladder. It is a opinion or narrative review, and reviews and opinion pieces discuss studies that are already counted on the steps below.

↑ Stronger evidence

  1. Trials in people: death and chronic disease

    2

    1 no difference, 1 harm

  2. Trials in people: other measures

    3

    1 mixed, 1 no direction, 1 harm

  3. Trials in people: lab tests or safety

    1

    1 mixed

  4. Population studies

    17

    1 mixed, 16 harm

  5. Blood levels and genes

    0

    None among the papers we read.

↓ Weaker evidence

  • Points to benefit
  • Mixed
  • No difference
  • No direction
  • Points to harm

How it fits with the other research

The short answer to “Are ultra-processed foods bad for your health?”

Linked to worse health; cause not proven.

Confidence: low. Based on 38 on-topic papers.

Read the full answer
  • Listed with the other papers, but not quoted in the page’s main findings.

Other opinion on this question

See all 38 studies on this question

How this page was made

Label

First read of the abstract
Claude Sonnet
Independent second read
Claude Haiku
Differences settled
The reviewer corrected 1 field after reading the abstract. Claude Opus 5.5.
Headline
Claude Sonnet, from the checked study record. A script checked its numbers and wording.
Numbers
Checked against the abstract by a script
“How much this study counts”
Fixed rules, the same for every study
Source check by a person
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