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BIB_368

🟡 Nicotinamide chemoprevention — Tan & Williams 2026 critical appraisal: "the jury was out and still is" — DOWNGRADES the brief's framing of nicotinamide 500 mg BD from "highest-leverage" to "uncertain efficacy".

Evidence grade

A

Tier

1 (Am J Clin Dermatol; senior author Hywel Williams = foundin

Cited by tasks

5a, 12, 17

Identifiers

PMC13032969 · DOI:10.1007/s40257-025-01005-y · PMID:36856616

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Full extracted findings & patient-implication analysis: bibliography/BIB_368/findings.md (research corpus). This page is a short context summary — not individualised medical advice.