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Arsenic, Cadmium, Lead, and Mercury in Sweat: A Systematic Review

This systematic review, conducted by researchers from multiple institutions, examined whether sweating through infrared sauna therapy or exercise can help excrete toxic heavy metals such as arsenic, cadmium, lead, and mercury. The study found that in individuals with higher toxic exposure, sweat contained higher concentrations of these metals than blood or urine. Notably, cadmium was found to be more concentrated in sweat than in plasma, and mercury levels normalized with repeated sauna use. The results suggest that sweating could be a valuable detoxification method, though further trials are recommended to establish safe therapeutic protocols.

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