15 citations
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January 2008 in “Annales de Toxicologie Analytique” Hair test results can be misleading due to contamination, so they shouldn't be used alone to determine drug use.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
7 citations
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February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
35 citations
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November 2019 in “Frontiers in Neuroendocrinology” Men and women have different levels and production of brain steroids, which may affect their risk for certain brain disorders.