“…The many studies carried out for Spain on the nutritional changes among the different population groups show that the greatest progress was made in the twentieth century due to the intensity of the socioeconomic and demographic transformations. However, in the principal cities, these improvements were not evident until the end of the nineteenth century (Calatayud and Medina, 2017;Cussó et al 2018;García and Trescastro, 2017;Garrabou and Cusso, 2009;González de Molina et al, 2014;Hernández and Pujol, 2017;Hernández et al, 2019;Pujol, 2005g Pujol andCussó, 2014;Langreo and Germán, 2018;Calatayud, 2020, 2021). The environmental and technological changes that led to modern economic growth modified the patterns of production and food consumption, reduced the high mortality and fertility rates and, as a result, altered the family composition and the demand for nutrients from the very beginning of the twentieth century.…”