Jonathan Swerdlin
@swerdlin
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My life's work is to keep people healthy. Co-founder @function
Joined August 2011
Catastrophic plans + mandated HSA contributions at 5% of earnings + legally mandated pricing transparency This is insanity when you can pay @function $499 a year to replace primary care
There are 9 options for health insurance in my zip code. Here are the 3 silver plans:
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I went to a new doctor this morning. When he asked me about my thyroid, I handed him my phone with recent @function lab results pulled up. Told the doctor everything without saying anything.
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The annual physical is not enough to gauge cancer risk. Advanced cancer screening is essential if you want to stay ahead of potential risks and catch it early — when you can proactively do something about it. Read more: https://t.co/GXhkrtFEFm
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100% Healthcare needs AI -- AI can turn services into compute, shifting from Eroom's to Moore's law But also ... AI needs Healthcare -- Healthcare is a $10T+ worldwide market, with little real tech, full of data and major world impact
What a time to be working on healthcare AI
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There are billions of dollars to be made by consumer AI companies in old industries. That’s because they’re not stuck inside the system. They’re building directly for consumers. Without legacy friction, they can move faster, make better products, and deliver real outcomes.
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Did my first @function round in March; bio age was 36 and I was decently happy with that. But wanted to work on a few markers, so I added omega-3s, cut down on 🍺, cleaned up my eating (some 😊), and added protein, rowing, pushups, and sauna. Find beauty every day. 💪🏻☀️❤️
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This @function member’s story is inspiring, and we hear experiences like this daily. It’s a peak into what we are building, and why.
this story is going wildy viral on reddit. ChatGPT flagged a hidden gene defect that doctors missed for a decade. ChatGPT ingested the patient’s MRI, CT, broad lab panels and years of unexplained symptoms. It noticed that normal serum B12 clashed with nerve pain and fatigue,
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The signs were easy to dismiss—tight rings, snug shoes, a rising HbA1c. But Catherine, a 59-year-old mom, wanted clarity. So she joined Function and added the IGF-1(insulin-like growth factor) test to her Function membership out of curiosity.
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Biden hadn’t had prostate screening since 2014. He would’ve gotten better medical care from @function than he did as President. 🤯
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The worst sources of forever chemicals—and the sneaky places they’re hiding:
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BPA and forever chemicals like PFAS are everywhere—even in your kitchen. Nonstick pans. Food containers. Even in food itself. The question isn’t whether you’re exposed. It’s how much—and what you can do to protect yourself. Here are the worst offenders and hidden
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I’m gifting 10 @function memberships. Comment “2025” below to get one. 10 people will be randomly selected at 11pm ET on Jan 5th. No strings attached. This one is on me. It’s personal. Across 100,000+ Function members, I’ve witnessed lives saved, worries eased, risks flagged,
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Democratizing Health Through Tech 1/ The last several years have seen the democratization of health through innovative tech options, from AI that analyzes blood biomarkers, to wearables that track biometrics, to accessible full-body screening.
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The U.S. has a cancer problem: More than 70% of cancer deaths come from cancers with no recommended screening tests. These cancers are often detected late, which can complicate prognosis. We need a proactive approach. Here’s why:
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This is Cari's story: a 51-year-old mom of 4 from Jacksonville, FL. A former Joffrey Ballet soloist and e-commerce entrepreneur, Cari was fit and health-focused. In November 2023, her daughter urged her to join @function. By December, Cari had completed 100+ lab tests,
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