The Cough That Broke 12 LLMs

After 5 months, the same medical vignette is back, and 12 out of 13 LLMs we tested still can't solve it. So why are we calling this a success? You have…

Mar 3 • Peter Farag and Sergei Polevikov

20

11

4

February 2026

Today Is Doximity’s Worst Stock Market Day. By a Wide Margin.

Are OpenEvidence and other competitors punching their way in?

Feb 6 • Sergei Polevikov

9

2

1

Hippocratic Oath in an Age of AI

Written by a seasoned, board-certified clinician and an experienced healthcare AI expert.

Feb 5 • Sergei Polevikov and Eduardo Vadia, MD

26

7

6

AI Scribes Only Help If You’re Bad at Clinical Documenting

New UCSF study pours cold water on the AI scribe hype

Feb 2 • Sergei Polevikov

22

2

2

Why Does My Substack Suck?

Please share. Be honest.

Feb 1 • Sergei Polevikov

14

21

1

January 2026

Same Theranos Fraud. A Decade Later.

Texas "revolutionary" cancer blood-testing company run by an ex-VC bro who likes to party hard at strip clubs and (allegedly) spend company money at an…

Jan 29 • Sergei Polevikov

19

1

2

🚨 BREAKING: Medicare Advantage Carnage on Wall Street

UnitedHealth loses $62.4B, down 19.6%, in one day. Its 7th worst day in history.

Jan 27 • Sergei Polevikov

19

2

4

Tom Brady-FTX 2.0

Brady’s new deal with eMed, a shady digital health startup turned GLP-1 reseller, raises serious questions about his business judgment and due…

Jan 18 • Sergei Polevikov

8

9

2

Halle Tecco Talks About "Massively Better Healthcare"

Digital health legend discusses her new book and answers our hot questions on Digital Health Inside Out.

Jan 15 • Sergei Polevikov

8

4

1

I Uploaded My Entire Medical History to ChatGPT Health

ChatGPT Health turned out to be good news for Google (and Anthropic). I explain why.

Jan 12 • Sergei Polevikov

25

14

6

ChatGPT Health Is Dancing Around HIPAA. Well Played, Sam!

ChatGPT Health might be a marketing gimmick. But it also looks like a preview of how tech behemoths could undercut the entire digital health market.

Jan 8 • Sergei Polevikov

29

1

7

December 2025

📉 2025 Was the Lost Year in Health Tech for AI, Data Analytics, and Telehealth

2024 was the year of AI tourists in health tech. 2025 was, hands down, the year of GLP-1 and biotech breakthroughs.

Dec 23, 2025 • Sergei Polevikov

9

2

2