24 citations
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January 2019 in “Hormone Research in Paediatrics” This study found that gender, puberty, and BMI significantly affect hair cortisol concentrations in children, suggesting these factors should be considered in future research.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
122 citations
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October 2013 in “PEDIATRICS” This study observed that cortisol concentrations in hair, indicating prolonged stress, are correlated between mothers and young children, suggesting potential heritable traits or maternal influence.
This study found that a hair growth rate of 0.75 cm/month better matches retrospective cortisol timelines and identified factors influencing hair cortisol content in children and adolescents.
10 citations
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November 2018 in “Developmental Psychobiology” In this study, testosterone and dehydroepiandrosterone in children's hair were strongly correlated, supporting hair as a potential method for measuring these hormones.