Article ID: CBB488019405

Louis Sambon and the Clash of Pellagra Etiologies in Italy and the United States, 1905–14 (2016)

unapi

This article explores the extent to which the bacterial concept of disease acted as an obstacle to the understanding of deficiency diseases, by focusing on explorations into the cause of pellagra in the early twentieth century. In 1900, pellagra had been epidemic in Italy for 150 years and was soon to become so in the United States, yet the responses of medical investigators differed substantially. To account for these, the article reconstructs the sharply contrasting reactions to a provocative theory proposed by Louis Sambon. Applying a tropical diseases approach to pellagra, Sambon argued that pellagra had nothing at all to do with maize consumption, as the Italians had long thought, but was caused by the bite of a parasite-carrying insect. Italian pellagrologists, involved in a dogmatic quest for a toxin in maize, and with pellagra rates there on the decline, marginalized the Sambon hypothesis. By contrast, in the United States, with pellagra on the rise, the dominant infectious paradigm put Sambon center stage, his proposed etiology shaping the earliest American investigations. When the deficiency disease concept gained currency in 1913, the relatively closed world of Italian pellagrology was wrong-footed, while the more open-ended U.S. community was better able to follow up the new lead. The article discusses what these shifts and the resulting controversies reveal about the medical contexts. The actor-centered approach, with reaction to Sambon's intervention as a kind of test-case, is the key to understanding these controversies and why they mattered.

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Authors & Contributors
Spataro, Stefano
Priani, Egidio
Bay, Alexander R.
Bryan, Charles S.
Chaves-Carballo, E.
Coelho, Philip R. P.
Journals
Social History of Medicine
American Historical Review
History and Philosophy of the Life Sciences
History of Psychiatry
Journal of the History of Biology
Medicina Historica
Publishers
Olschki
Brill
Edizioni ETS
Erasmus Publishing
Johns Hopkins University Press
Palgrave Macmillan
Concepts
Medicine
Parasitic diseases
Disease and diseases
Public health
Biology
Parasitology
People
Vallisneri, Antonio
Christopherson, John B.
Darling, Samuel Taylor
Lysenko, Trofim Denisovich
Michurin, Ivan Vladimirovich
Morgan, Thomas Hunt
Time Periods
20th century, early
18th century
19th century
17th century
Early modern
20th century
Places
Italy
United States
Europe
France
Brazil
Mexico
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