PubMed spike in "distinction matters" hints ChatGPT is writing medical papers
JeremyNguyenPhD · x · 2026-11-14
Jeremy Nguyen tracked occurrences of "distinction matters" — a classic ChatGPT phrase — in PubMed papers: roughly 1 per year from 2013–2019, a gradual rise from 2020, then a sharp jump to 13 in 2026 alone.
Since the phrase is a well-known ChatGPT tell, the curve serves as indirect evidence that LLM-assisted writing is flooding medical literature. It's a proxy-based method, but the trend is striking and feeds the ongoing debate about AI disclosure in academic publishing.
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