Kirin Holdings Company, Limited (TOKYO:2503) and Kao Corporation (TOKYO:4452) will participate in the Wakayama Health Promotion Study, a cohort study*2 led by Wakayama Medical University and organized by the Health Promotion Research Center (HPRC), a non-profit organization. Kao and Kirin Holdings conducted a joint study from November 2022 to investigate the relationship between visceral fat and the plasmacytoid dendritic cells (pDC*3) activity*4, which are the command center for immunity.

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