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Pooled review (meta-analysis)

Pooled review of 10 studies: resistance training linked to lower risk of death

Shailendra and colleagues · American journal of preventive medicine · 2022

Original title: Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis.

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

Any resistance training: all-cause death RR 0.85 (95% CI 0.77, 0.93), heart disease death 0.81, cancer death 0.86. Lowest risk, 27% lower (RR=0.74), at about 60 minutes per week; benefit shrank at higher amounts.

The study at a glance

Type of study
Pooled review (meta-analysis)
Who or what was studied
10 studies · healthy adults aged 18 and older, not patients
What was tested
Any resistance training vs none, linked to deaths from any cause, heart disease and cancer. Dose-response analysis of 4 studies.
What it measured
The question itself: death from any cause and healthy aging
Who has a stake
No disclosure in PubMed
No disclosure in PubMed.
Journal
American journal of preventive medicine, 2022
Source
PubMed record 35599175. This page is based on the abstract only.

How much this study counts

  • ✓Pools the results of 10 studies.
  • •A pooled review is only as strong as the studies it pools.
  • ✓Measured the question itself: death from any cause and healthy aging.
  • •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 pooled review (meta-analysis), and reviews and opinion pieces discuss studies that are already counted on the steps below.

↑ Stronger evidence

  1. Trials in people: death and healthy aging

    0

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

  2. Trials in people: other measures

    9

    7 benefit, 2 no difference

  3. Trials in people: lab tests or safety

    0

    None among the papers we read.

  4. Population studies

    9

    8 benefit, 1 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 “Does strength training help you live longer?”

Linked to longer life; not proven.

Confidence: low. Based on 26 on-topic papers.

Read the full answer
  • Quoted in “What we found”: A pooled review of 10 studies of adults who were not patients found any resistance training was linked to 15% lower risk of death from any cause (RR 0.85).
  • Quoted in “What we found”: Benefit did not keep growing with more training: lowest risk was near 60 minutes per week in one review, and another study saw no added benefit above 120 min/week.
  • Part of the finding “Population studies link strength training to fewer deaths”.
  • Part of the finding “Benefit levels off at higher amounts”.
  • Summed up in “What reviews found”: Pooled 10 studies of adults who were not patients. Any resistance training was linked to 15% lower death risk (RR 0.85); the lowest risk was at about 60 minutes per week, with smaller gains at higher amounts.
  • Marked as a key paper in the research timeline: Pooled review links resistance training to fewer deaths.

Other reviews on this question

See all 26 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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