1 citations
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January 2013 in “International Journal of Physical and Social Sciences” This study found a negative correlation between lead and calcium levels in the scalp hair and finger nails of exposed and unexposed males, with variations suggesting these tissues can reflect metabolic changes over time.
April 2026 in “PsyArXiv (OSF Preprints)” This study found that among young adults, willingness to provide hair and fingernail samples for cortisol measurement was similar, with discomfort around sampling as the main barrier; informational videos did not significantly alter participant willingness.
10 citations
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October 2016 in “Experimental Dermatology” This essay discusses the role of the nail in mammalian digit tip regeneration and explores whether nail stem cells are solely responsible for this regenerative ability, with no new results presented.
3 citations
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February 2024 in “Forensic Sciences Research” In this study, researchers found that massively parallel sequencing of mitochondrial DNA (mtDNA) can improve information recovery from forensic samples, with successful full region amplification possible from as few as 2,000 mtDNA copies, albeit with variability in heteroplasmy among hair samples from the same donor.
April 2023 in “Asian Medical Journal and Alternative Medicine” This study found that applying 2% topical minoxidil resulted in a greater nail growth rate compared to 5% minoxidil and placebo over eight weeks, with no observed side effects, suggesting 2% is an effective concentration for accelerating nail growth.