Comparison of Mineral Levels in Blood and Hair Samples of Healthy Adults: Evaluating the Clinical Utility of Hair Mineral Analysis.

A study of 137 Korean individuals aged 60 to 79 years found significantly lower mean hair sodium concentrations in the low-risk atherosclerotic cardiovascular disease (ASCVD) group compared to those in the intermediate and high-risk groups (10 year ASCVD risk assessment; low, ≤ 5%; intermediate, 5% to < 7.5%; high, ≥ 7.5%, p = 0.004), although the differences between the groups did not reach statistical significance for potassium ( p = 0.059) [ 36 ].

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