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Isotope Human Diet:
from health biomarkers to forensics applications
For two decades we have investigated whether carbon and nitrogen isotope ratios of Brazilian inhabitants can still hold dietary information related to both regional food sources and dietary practices with an increase of diet homogenization as locally-produced food is replaced with processed and ultra-processed food. We are using the association of source-consumer isoscapes as a proxy for tracking geographic diet patterns of Brazilians facing important dietary changes but also to investigating the degree of intensity of such changes. This integrated approach has been proved to be useful both in human nutrition studies but also in tracking human movements in forensic anthropology studies.
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