What changed
At a Make America Healthy Again event on September 29, U.S. Health Secretary Robert F. Kennedy Jr. told Vice President JD Vance that AI could free Americans from what he called the “tyranny” of medical experts. Kennedy urged people to use AI for second opinions and claimed it could be better informed than any doctor, including on masks, social distancing and vaccines.
Why it matters
The chatbots tested did not deliver the rebellion Kennedy promised. Google Gemini and ChatGPT said masks can reduce the spread of respiratory disease, social distancing can reduce transmission, and vaccines can prevent infection and transmission, with the protection depending on the disease and vaccine.
That matters because AI is not a magic escape hatch from medical judgment. It can offer a useful second explanation, but its answers still depend on how questions are framed and on the quality of the information behind them. Kennedy has no medical, scientific or public-health experience, yet he presented chatbots as a route around doctors and public officials.
Our evidence-based read is simple: this episode shows AI being used less as a tool for checking claims than as a political prop. The technology may challenge experts sometimes, but in the examples Kennedy chose, it backed the mainstream medical position instead. Whether his remarks become administration policy remains unclear.
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