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pmid: 33139541
pmc: PMC7682388
Significance The extent to which Neanderthals differ from us is the focus of many studies in human evolution. There is debate about their pace of growth and early-life metabolic constraints, both of which are still poorly understood. Here we use chemical and isotopic patterns in tandem with enamel growth rates of three Neanderthal milk teeth from northeastern Italy to explore the early life of these individuals. Our study shows that these Neanderthals started to wean children at 5 to 6 months, akin to modern humans, implying similar energy demands during early infancy. Dental growth rates confirm this and follow trajectories comparable with modern humans. Contrary to previous evidence, we suggest that differences in weaning age did not contribute to Neanderthals’ demise.
DIETARY TRANSITIONS, ENAMEL THICKNESS, Neanderthal ontogeny, dental histology, Weaning, Neanderthal ontogeny | nursing strategy | dental histology | spatially resolved chemical analyses | life histories, TEETH, Neanderthal ontogeny; dental histology; life histories; nursing strategy; spatially resolved chemical analyses, TRACE-ELEMENTS, Animals, Humans, spatially resolved chemical analyses, Neanderthal ontogeny | nursing strategy | dental histology | spatially resolved chemical analyses | life histories; Animals; Dental Enamel; Humans; Infant; Infant, Newborn; Neanderthals; Weaning, Dental Enamel, spatially resolved chemical analysis, Spatially resolved chemical analyses, DENTAL ENAMEL, MODERN HUMANS, QE515, Neanderthals, QH, 106018 Human biology, neanderthal; weaning; chemical/isotopic analyse, Infant, Newborn, Infant, 106018 Humanbiologie, nursing strategy, GN, ISOTOPE, Neanderthal ontogeny, nursing strategy, dental histology, spatially resolved chemical analyses, life histories, GROWTH, life histories, BEHAVIOR, MIDDLE
DIETARY TRANSITIONS, ENAMEL THICKNESS, Neanderthal ontogeny, dental histology, Weaning, Neanderthal ontogeny | nursing strategy | dental histology | spatially resolved chemical analyses | life histories, TEETH, Neanderthal ontogeny; dental histology; life histories; nursing strategy; spatially resolved chemical analyses, TRACE-ELEMENTS, Animals, Humans, spatially resolved chemical analyses, Neanderthal ontogeny | nursing strategy | dental histology | spatially resolved chemical analyses | life histories; Animals; Dental Enamel; Humans; Infant; Infant, Newborn; Neanderthals; Weaning, Dental Enamel, spatially resolved chemical analysis, Spatially resolved chemical analyses, DENTAL ENAMEL, MODERN HUMANS, QE515, Neanderthals, QH, 106018 Human biology, neanderthal; weaning; chemical/isotopic analyse, Infant, Newborn, Infant, 106018 Humanbiologie, nursing strategy, GN, ISOTOPE, Neanderthal ontogeny, nursing strategy, dental histology, spatially resolved chemical analyses, life histories, GROWTH, life histories, BEHAVIOR, MIDDLE
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