Causal impacts of smoking on pain conditions and the mediating pathways: a mendelian randomization study
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View abstract on PubMed
Summary
This summary is machine-generated.Smoking initiation causally increases the risk of multiple pain conditions. Major depression, sedentary behavior, and insomnia significantly mediate these smoking-related pain associations, highlighting key pathways for intervention.
Area Of Science
- Genetics
- Epidemiology
- Public Health
Background
- Smoking is a known risk factor for numerous diseases.
- Understanding the causal link between smoking and pain is crucial for public health.
Purpose Of The Study
- To investigate the causal association between smoking initiation and various pain conditions using Mendelian randomization (MR).
- To explore the mediating roles of major depression, insomnia, and sedentary behavior in the smoking-pain relationship.
Main Methods
- Mendelian randomization (MR) analyses utilizing genome-wide significant genetic variants for smoking initiation.
- Data from FinnGen and UK Biobank studies for 10 pain conditions.
- Multivariable MR and sensitivity analyses to assess mediation and robustness.
Main Results
- Genetic liability to smoking initiation showed a causal association with increased risk for angina pectoris, dorsalgia, low back pain, limb pain, joint pain, thoracic spine pain, and sciatica.
- Major depression, sedentary behavior, and insomnia were significant mediators, explaining substantial portions of the observed associations.
- Mediation effects ranged from 2.9% to 65.3% when considering individual and combined mediators.
Conclusions
- Smoking initiation has a causal impact on a wide spectrum of pain conditions.
- Major depression, sedentary behavior, and insomnia are significant mediating factors in the pathway from smoking to pain.
- These findings underscore the importance of addressing these mediators in smoking cessation and pain management strategies.
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