Uploaded April 2026 | Updated September 2026, 1 week ago
Deep dive here: open.substack.com/pub/staycuriousmetabolism/p/why-you-need-to-track-your-heart?r=40ekz2&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true
Heart rate variability (HRV) measures the subtle fluctuations between heartbeats and reflects how well your brain and body communicate. Lower HRV is associated with a higher risk of heart attack—and over 5x higher mortality risk after one. The good news? It’s measurable and modifiable through targeted habits.
For the full mechanisms, limitations, and nuance, read the long-form breakdown linked above.
Deep dive here: open.substack.com/pub/staycuriousmetabolism/p/why-you-need-to-track-your-heart?r=40ekz2&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true
Heart rate variability (HRV) measures the subtle fluctuations between heartbeats and reflects how well your brain and body communicate. Lower HRV is associated with a higher risk of heart attack—and over 5x higher mortality risk after one. The good news? It’s measurable and modifiable through targeted habits.
For the full mechanisms, limitations, and nuance, read the long-form breakdown linked above.
