January 2026 in “Open MIND”
July 2024 in “Nursing Research” Hair and nail cortisol levels can show long-term stress in young males.
July 2011 in “Neurotoxicology and Teratology” May 2012 in “Neurotoxicology and Teratology” Hair cortisol can be a reliable way to measure long-term stress.
April 2026 in “PsyArXiv (OSF Preprints)” Nail sampling is feasible for adolescent health research, similar to hair sampling, but discomfort concerns need addressing.