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Diet and disease: transgressing boundaries between science and society—understanding neglected diseases through the lens of cultural studies and anthropology
  1. Paladd Asavarut1,
  2. Peter J Norsworthy1,
  3. Joanna Cook2,
  4. Simon D Taylor-Robinson1,
  5. Rachel V Harrison3
  1. 1Wellcome Centre for Global Health Research, Imperial College London, London, UK
  2. 2Department of Anthropology, University College London, University of London, London, UK
  3. 3Department of South East Asia, School of Oriental and African Studies, University of London, London, UK
  1. Correspondence to Dr Rachel V Harrison, Department of South East Asia, School of Oriental and African Studies, University of London, London, UK; rh6{at}soas.ac.uk

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It is vital that we consider human health from all perspectives, including the social, geopolitical and cultural aspects of wider society. A prime example of how such forces complicate patterns of disease is provided by examining the underlying epidemiology of cholangiocarcinoma (bile duct cancer (CCA)) in Thailand. With high prevalence in the northeast of Thailand (Isan) and most rural communities along the Mekong River in Southeast Asia, CCA in this region of the world results from a neglected tropical disease, chronic liver fluke infection, caused by consuming raw or undercooked freshwater fish infected with Opisthorchis viverrini (liver fluke) sensu lato. Although the relationship between diet and disease is common knowledge in the general population along the Mekong River, the cultural and sociological facets of dietary practice point to challenges that cannot be addressed by science alone. Untangling the CCA epidemic from the complex human behaviour of wanting to eat ‘forbidden’ food in Thailand provides a compelling case of how partnership between social and medical science and the humanities is key to making a sustainable impact in reducing disease patterns in the developing world.

While uncooked dishes are distinctive to Isan cuisine, the most infamous cause of CCA in Thailand is the consumption of an uncooked fish dish known as koi pla. It is, however, often overlooked that a large number of Isan staple foods feature fermented raw fish (pla som) or use it as a key seasoning ingredient (pla ra). The scope of the problem therefore goes beyond a single food item; rather, it is the local diet at large that is responsible for chronic liver fluke infestations and, ultimately, CCA. As a result, the Isan region, in general, and the major constituent province of Khon Kaen, in particular, is home to ca. 80% of the 10 million people …

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