Sunlight can treat tuberculosis, a phenomenon observed more than a century ago. The mechanism now becomes more clear, and it involves induction of a microbe-fighting peptide by vitamin D.
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Zasloff, M. Fighting infections with vitamin D. Nat Med 12, 388–390 (2006). https://doi.org/10.1038/nm0406-388
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DOI: https://doi.org/10.1038/nm0406-388
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