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Opinion or narrative review

Review of 27 studies: moderate red wine linked to lower heart disease and diabetes

Serio and colleagues · Food & function · 2023

Original title: Moderate red wine intake and cardiovascular health protection: a literature review.

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

The authors say epidemiological evidence shows moderate red wine lowers risk of heart disease and diabetes. It is unclear whether alcohol or other wine parts cause this.

The study at a glance

Type of study
Opinion or narrative review
Who or what was studied
adults, from 27 trials and case-control studies
What was tested
Moderate red wine (up to 2 units a day for men, 1 for women)
What it measured
Several kinds of outcomes
Who has a stake
No disclosure in PubMed
No disclosure in PubMed.
Journal
Food & function, 2023
Source
PubMed record 37403999. 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.
  • •The PubMed record has no conflict-of-interest statement.
  • •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

    0

    Not done yet. This is the step that would answer the question.

  2. Trials in people: other measures

    0

    None among the papers we read.

  3. Trials in people: lab tests or safety

    0

    None among the papers we read.

  4. Population studies

    5

    3 benefit, 1 mixed, 1 harm

  5. Blood levels and genes

    6

    1 mixed, 2 no difference, 3 harm

↓ Weaker evidence

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

How it fits with the other research

The short answer to “Is moderate drinking good or bad for your heart?”

Not shown to help; may harm.

Confidence: very low. Based on 21 on-topic papers.

Read the full answer
  • Summed up in “What reviews found”: Selected 27 trials and case-control studies from 2002 to 2022, without pooling. It concluded moderate red wine lowers heart disease risk, but could not say whether alcohol or other wine parts are responsible.
  • Open item for a person: Serio 2023 searched databases and selected 27 articles; may be systematic_review rather than narrative_review.

Other opinion on this question

See all 21 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 differed. The reviewer checked the abstract and kept the first read. 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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