Field note
What "longevity" turned into.
In San Francisco, longevity became a shopping list. A ring for sleep. A patch for glucose. A peptide off the gray market. A 150 page annual report on a single body. The category logic says if every metric goes up, the person goes up.
So we put three clinicians in one room and asked the obvious question: is any of it making us healthier? Their answer kept circling back to the cheapest things in the building. Sleep. Food. Movement. People. Paying attention to how you actually feel.
We went and checked
The longevity shopping list, plotted against the evidence.
Click a dot · cost across, proof upward
Dot positions synthesize the cited research. Click any dot for its source.
I run Puzzle Exchange, a human first tech community. The events are usually about something we don't say out loud at work. Burnout. Anger. This one was about longevity, and what the Bay Area has turned it into.
Almost everyone in the room had a wearable. I brought a glucose monitor I'd worn out of curiosity. The doctors, gently, took the whole premise apart.
"Remove the noise, and the intuition is already there."
What I left with.
The premise they took apart
More data. Same body.
Drag to track more
← measure nothing · track everything →
Illustrative of the panel's argument, not a measured dataset.
Dr. Deb practiced traditional Chinese medicine in Beijing for 17 years before moving to San Francisco last year. She opened the night leading the room through Ba Duan Jin, a 900 year old qigong set.
Her clinic doesn't start with a score. It starts with the pulse, the tongue, skin tone, sleep, mood, the season. A pattern, not a number.
Lindsay treats pain for a living. Her problem with wearables isn't the data, it's the gap it papers over. Most people, she says, have lost the connection to how they actually feel.
"Pain is not bad. Pain is information."
Her whole longevity philosophy fit on one line: simple, sustainable, self directed. The rest is mostly things being sold to you.
Veronica is a sports medicine physician and internist. She founded Avid to get practitioners working in one room, instead of bouncing patients between them. Her own work is regenerative medicine: PRP, stem cells, shockwave.
She's blunt about the limits. The tools are real, the promises are oversold, and she doesn't wear a tracker.
On why nobody funds a clinic that brings it all together:
What we left the room with
Rehab / Position 01
"Pick something small you can actually do, and do it consistently. Move with people you like. The more we learn, the simpler it gets."
Dr. Lindsay Stephens
Chinese medicine / Position 02
"Listen to your body more. If you don't want to move today, don't. And try to be happy. Happiness is the most important thing of all."
Dr. Deb Ma
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