| 11. | Pellagra was common among prisoners of Soviet labor camps ( the Gulag ).
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| 12. | In the early 1900s, pellagra reached epidemic proportions in the American South.
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| 13. | However, he failed to identify a specific element whose absence caused pellagra.
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| 14. | Pellagra seems to be especially common in patients with corn-based diets.
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| 15. | These workers stamped out malaria, pellagra, and typhoid fever from many areas.
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| 16. | Hartnup disease is a genetic disorder that reduces tryptophan absorption, leading to pellagra.
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| 17. | Pellagra causes diarrhea, dermatitis, weakness, mental confusion, and eventually dementia.
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| 18. | Another disease common to South Africa is pellagra.
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| 19. | Some conditions can prevent the absorption of dietary niacin or tryptophan and lead to pellagra.
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| 20. | Pellagra was first described for its dermatological effect in Spain in 1735 by Gaspar Casal.
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