Summary
Veteran twins study found that HRV and deceleration capacity predicted mortality risk independent of familial and genetic factors, suggesting HRV reflects modifiable health status.
Methods
Prospective study of 501 twins with 24-hour Holter ECG monitoring
Key Findings
- HRV predicted mortality independent of genetic factors
- Deceleration capacity showed strongest mortality association
- Effect persisted after controlling for traditional CVD risk factors
- Suggests HRV reflects brain-heart-autonomic network health
Limitations
All-male veteran population
What This Means for You
Your HRV isn't just genetic destiny—it reflects your current health state. Even if you have family history of heart disease, improving lifestyle factors that boost HRV may reduce your risk.
Source
Read the original paper in Journal of the American Heart Association ↗
Added to HRV Zone: 2025-01-07