"Dietary changes have had a major role in human adaptation and evolution, impacting phenotypes such as lactase persistence and polyunsaturated fatty acid metabolism, particularly with the shift from hunter-gatherer societies to agricultural-based subsistence."
"The earliest instance of crop domestication can be traced to the Fertile Crescent of southwestern Asia approximately 12 thousand years ago, laying the foundation for the Neolithic revolution and the rapid spread of agriculture into Europe and the Indian subcontinent."
"Human genomes contain three different amylase genes, with copy number variation at a single locus. This variation has implications for how humans metabolize carbohydrates compared to other great apes, which have only a single copy of each gene."
"The duplication events of the amylase genes reflecting dietary adaptations occurred first in the common ancestor of Old World monkeys and apes, showcasing significant evolutionary responses to agricultural diets over millennia."
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