Barely Significant

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highly significantqualifiedgold
When investigating the GM volume changes across sessions, we observed a symmetrical pattern of highly significant group differences (Fig. 1 , Supplementary Table 1 ), and post hoc analyses revealed that each of these clusters reflected reductions in regional GM in the women who were pregnant between the time points (Supplementary Table 2 ).
The presence of these traits suggests an increase in carbohydrate intake within the LN/CA periods, and fits with the data recorded by isotopic analyses, reporting a decreasing trend in animal protein intake and an increase in vegetal protein consumption from EN to LN and CA, along with an intensification of the agricultural practices in South-Italian farming communities at the end of the Neolithic period 25 , 53 .
In arctic Siberia, time-series δ 13 C values show a decreasing trend from near +6‰ in the Maastakh and basal Khatyspyt formations, and then an oscillation between −5 and +4‰ through the overlying reaches of the interval 25 , 26 , 35 before stabilizing near 0‰ in dolostones of the lower Turkut Formation.