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Cardiovascular
Resting heart rate
Established risk / function markerPhysiologicalWearable/ECGbpm
Heart rate measured under resting conditions.
What it measures
Cardiac beats per minute at rest.
Why it matters
Provides cardiovascular and fitness context and is associated with outcomes in populations.
How to interpret it
Trends are often more informative than isolated readings.
Important limitations
Affected by medications, autonomic state, illness, temperature and fitness.
Evidence status
Established risk / function marker
Accessible physiological marker; not specific to biological aging.
Research & guidance
Original papers, validation studies, reviews and clinical guidance connected to this measurement.
For education and evidence exploration, not diagnosis or individualized medical advice.