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Regular cycling may significantly reduce the risk of developing heart failure (HF). This aerobic exercise offers a protective effect, contributing to better cardiovascular health and potentially preventing heart disease.

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Area of Science:

  • Cardiovascular Health
  • Exercise Science
  • Genetic Epidemiology

Background:

  • Heart failure (HF) is a leading global cause of mortality.
  • Aerobic exercise, particularly cycling, is suggested to benefit HF patients.
  • A definitive causal link between cycling and HF risk reduction requires further investigation.

Purpose of the Study:

  • To investigate the potential causal relationship between regular cycling and heart failure (HF) development.
  • To leverage genetic data for robust causal inference in physical activity and cardiovascular health.

Main Methods:

  • Two-sample Mendelian randomization (MR) analysis was employed.
  • Utilized large-scale genetic data from the IEU OpenGWAS project (European ancestry).
  • Applied MR-Egger, weighted median, and inverse variance weighting (IVW) for robust estimation.

Main Results:

  • Mendelian randomization analyses indicated a significant association between cycling and reduced heart failure risk.
  • Odds ratios (OR) consistently suggested a protective effect across different MR methods.
  • IVW analysis showed an OR of 0.982 (95% CI: 0.966-0.998), indicating a statistically significant reduction in HF risk.

Conclusions:

  • Regular cycling may act as a protective factor against heart failure development.
  • Findings support cycling as a beneficial, accessible physical activity for cardiovascular disease prevention.
  • Results can inform public health strategies and individual lifestyle choices for heart health.