Why bad sleep might make you more likely to get joint pain as you age

Original Title

Sleep quality, duration, and multi-trajectories as predictors of rheumatoid arthritis: evidence from the english longitudinal study of ageing

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Summary

People who sleep poorly and for fewer hours over many years are more likely to develop rheumatoid arthritis, a painful joint disease. Feeling down or depressed partly explains why bad sleep leads to this risk.

Proposed Mechanism
Sleep disruption → inflammation → RA risk
Suggested
Sleep disruption → gut dysbiosis → systemic inflammation → RA
Suggested
Sleep disruption → depression → inflammation → RA
Supported by evidence

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Quality Analysis
Methodology
59%
Moderate QualityOverall Score
Cohort StudyMedicine

Systematic Reviews & Meta-Analyses

Max 100

Randomized Controlled Trials

Max 90

Cohort Studies

Max 72

Case-Control Studies

Max 58

Cross-Sectional Studies

Max 44

Case Reports & Case Series

Max 30

Expert Opinion & Narrative Reviews

Max 5
StrongerWeaker
Cohort Studies
Level 2
59

59 / 72

Evidence Score

Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.

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