Cathy Kim · Founder, KINS
The Numbers
| Biomarker | Before | After | Change |
|---|---|---|---|
| Epigenetic Age | 38.2 years | 35.6 years | −2.6 years |
| DunedinPACE (aging rate) | 1.09 | 0.94 | −0.15 |
| HRV (30-day avg) | 28 ms | 47 ms | +68% |
| hs-CRP (inflammation) | 2.4 mg/L | 0.8 mg/L | −67% |
| Fasting Insulin | 11.2 µIU/mL | 6.4 µIU/mL | −43% |
The Letter
I want to start with a number.
38.2
That was my epigenetic age when I first tested it. My chronological age was 36. I was a solo founder, running two companies, sleeping five hours on a good night, flying between Seoul and Jakarta every few weeks. I thought I was fine. I was not.
The gap between 36 and 38.2 doesn't sound like much. It's 2.2 years. But what it means is this: at 36, my cells were aging at the pace of a 38-year-old. Not because I was unlucky. Because of how I was living.
That number changed everything.
I didn't set out to build a longevity hotel. I set out to understand why I was exhausted in a way that sleep couldn't fix. The therapist I saw in late 2024 said something I've never forgotten: "Your burnout isn't emotional. It's a measurement problem. You don't know what's actually wrong, so you can't fix it."
She was right. I was guessing. My entire approach to my own health was anecdotal. So I stopped guessing and started measuring.
From the Journal
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