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A study found that veterans taking nicotinamide had lower skin cancer rates, especially when starting soon after diagnosis, but doctors warn against self-prescribing.
A large study of veterans with prior skin cancer found that taking 500 mg of nicotinamide twice daily was linked to a 14% lower risk of additional skin cancers, with a 56% reduction for those starting after their first diagnosis.
The greatest benefit was seen in preventing cutaneous squamous cell carcinoma, especially when supplementation began soon after the first skin cancer.
No increased risk of heart problems was found.
While the results are promising, experts caution against self-prescribing due to the high dose, recommend consulting a doctor, and emphasize that nicotinamide should not replace sunscreen or sun avoidance.
Un estudio encontró que los veteranos que tomaban nicotinamida tenían tasas más bajas de cáncer de piel, especialmente cuando comenzaron poco después del diagnóstico, pero los médicos advierten contra la auto-prescripción.