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Opinion or narrative review

Review: moderate linoleic acid intake linked to lower heart disease risk in long-term studies

Djuricic and colleagues · Nutrients · 2021

Original title: Beneficial Outcomes of Omega-6 and Omega-3 Polyunsaturated Fatty Acids on Human Health: An Update for 2021.

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 benefit

Review says moderate intake of linoleic acid is linked to lower risk of heart disease in long-term cohort studies, likely from lower blood cholesterol. Much of it covers omega-3 fish oil. No numbers given.

The study at a glance

Type of study
Opinion or narrative review
Who or what was studied
general population
What was tested
Linoleic acid and other omega-6 and omega-3 fats, reviewed from earlier studies
What it measured
Several kinds of outcomes
Who has a stake
Company stake
One author advises companies selling fats and oils or supplements, including DSM, BASF and Cargill.
Journal
Nutrients, 2021
Source
PubMed record 34371930. 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.
  • –Company stake: One author advises companies selling fats and oils or supplements, including DSM, BASF and Cargill.
  • •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: heart disease

    1

    1 harm

  2. Trials in people: other measures

    0

    None among the papers we read.

  3. Trials in people: lab tests or safety

    4

    1 benefit, 3 no difference

  4. Population studies

    2

    2 mixed

  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 seed oils bad for your heart?”

Not clearly; the evidence conflicts.

Confidence: very low. Based on 13 on-topic papers.

Read the full answer

Other opinion on this question

See all 13 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 two reads agreed on every checked field. 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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