The cardiovascular system ages on two fronts: the pump itself — a muscle that has beaten every second of your life and never rests — and the pipes, which stiffen and collect decades of quiet arithmetic. Between those two sits the strongest lever aging has: fitness, which buffers both. This guided journey covers the organ, the vessels, and what actually protects them.
3 quick steps~2 minutesEvidence-awareHealth info, not a diagnosis