Analysing Milk and Dairy Consumption in Ancient Societies: Bioarchaeological, Evolutionary and Human Social Perspectives

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Abstract
Background: In prehistoric societies, especially in the Neolithic period, the study of the palaeodiet assumes special importance as it is one of the points in human history characterised by important changes in diet. In this context, the study of food intolerances is even more significant. Methods: Some of the individuals studied were analysed from a genetic point of view, while a systematic literature review was performed from a genetic perspective, verifying the persistence or absence of lactase in adulthood, and information from necropolises regarding the presence of biomarkers linked to possible consumption of dairy products was analysed. Results: The results indicate a clear majority of individuals with hypolactasia in adulthood, although in a Pyrenean necropolis, studied here for the first time, the lactase persistence allele was already detected. Dairy consumption was also verified to be widespread in very early Neolithic periods. Conclusions: From a population perspective, this study enables a deeper understanding of past populations’ daily lives, expanding our perspective on their dietary patterns. From an evolutionary standpoint, it illuminates a pivotal point in human history and evolution within the European context, where past and modern dairy consumption, particularly cheese, has profound implications for both present and past economies.
Funding Information
  • Banco Santander-Universidad Complutense de Madrid, Spain (G/6401400/8000, HAR2015-67323-C2-2-P, PR41/17-21018)
  • Ministerio de Ciencia, Innovación y Universidades of the Spanish Government (MICINN) (G/6401400/8000, HAR2015-67323-C2-2-P, PR41/17-21018)
  • SANTANDER-UCM 2017 (PR41/17) (G/6401400/8000, HAR2015-67323-C2-2-P, PR41/17-21018)

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