Interestingly, although the abundance of Prevotella was found to increase with age, OTUs belonging to genus Prevotella (OTU_2, OTU_3 and OTU_540650), which was enriched in the UR cohort, were found to show an increasing trend with age, while OTU_33 (belonging to the same genus), enriched in the TR cohort, was observed to have a decreasing trend with age.
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The sentences
In urban areas, there is an increasing trend of increase in non-communicable diseases (NCDs) such as cardiovascular diseases, immune and metabolic diseases (including obesity and diabetes), and associated health issues.