Cardiologist. Athlete. Father. Writing about VO₂ max, metabolic health and how to prepare for a longer, stronger life.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 76 | Founded | a year ago | Last Issue | 7 days ago |
| Active | |||||
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Three Minutes
Fire Ops 101, Feel the Burn, Anchorage, August 29, 2026.
On Saturday, I put on roughly 40 pounds of turnout gear during Fire Ops 101, to experience what the Anchorage firefighters feel responding to 80% of all 911 calls in this cit...
The Readiness Score Isn’t Ready
For readers new to the series:
In Part I, I introduced the Wearable Experiment in What’s Worth Measuring.
In Part II, I wrote about What Your Sleep Score Doesn’t Tell.
In Part III, I shared A Cardiologist’s guide for wearing a CGM in...
A Cardiologist’s Guide to Wearing a CGM in Patients Without Diabetes
My hemoglobin A1c had risen to 5.8 and I was concerned. That was about 18 months ago. I am a cardiologist who tells patients to measure what matters and my own metabolic marker had moved in the wrong direction. So I put on a cont...
What Your Sleep Score Doesn’t Tell You
We flew to Juneau on a Saturday to race a triathlon. We drove to Fairbanks the following week to watch our daughter play soccer. In between we worked full clinic days, packed a 34-foot trailer, fed three kids and two grandparents and...
What’s Worth Measuring?
The Wall Street Journal asked which wearable device is the best. STAT News asked if any wearable device is ready for the clinic. My fellow cardiologists have criticized the lack of precision and that the wearable numbers don’t lead t...
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Authors
The writers behind this newsletter.
Preventive and performance cardiologist writing about physiologic reserve: the capacity you build now that determines how you age. Evidence-based, through the eyes of a practicing clinician.
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