TLDR People with kidney problems have higher hair EtG levels.
The study compared hair ethyl glucuronide (EtG) levels in 19 patients with decreased kidney function to 21 healthy individuals. It found that patients with renal disease had significantly higher hair EtG levels, which could be due to delayed excretion and increased incorporation into hair. These findings suggested that hair EtG levels in patients with decreased kidney function should be interpreted cautiously, especially when assessing their suitability for holding a driving license.
36 citations
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June 2012 in “Alcoholism Clinical and Experimental Research” People with decreased kidney function have higher levels of ethyl glucuronide in their hair.
36 citations
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June 2012 in “Alcoholism Clinical and Experimental Research” People with decreased kidney function have higher levels of ethyl glucuronide in their hair.
12 citations
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November 2022 in “Toxics” EtG in hair can help detect alcohol use but may be inaccurate in people with certain health conditions.
5 citations
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January 2020 
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
60 citations
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December 2005 in “Biomedical Papers” Hair analysis can detect drug use but requires careful interpretation due to its complexity.