47 citations
,
January 2016 in “MethodsX” Hair cortisol analysis is a reliable tool for monitoring long-term stress in captive chimpanzees if certain variables are controlled.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
January 2017 in “Qucosa (Saxon State and University Library Dresden)” Plasma protein binding significantly affects glucocorticosteroid concentration in blood, saliva, and hair.
86 citations
,
June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
7 citations
,
October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
February 2024 in “Psychoneuroendocrinology” Mothers with lower stress during pregnancy but higher stress after birth had infants with lower development scores.
May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
1 citations
,
January 2003 in “Benjamins eBooks” Confinement in farrowing crates doesn't increase chronic stress in sows, but hair cortisol measurements may not reliably indicate stress due to hair growth variations.
January 2018 in “Digital Scholarship - UNLV (University of Nevada Reno)” Hair cortisol levels can indicate chronic stress in children, with differences seen between races.
February 2026 in “Psychoneuroendocrinology” Lower family income is linked to more stress in parents and more behavior problems in children.
April 2026 in “Frontiers in Veterinary Science” Male cats have higher stress levels than females.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
January 2020 in “Молодий вчений” B(III) blood type may have higher hemoglobin levels, but stress affects this, and hair iron levels correlate with hemoglobin in some blood types.
Cows moving from tie-stall to free-stall housing had more heel problems, less joint lesions, and higher stress levels.
January 2026 in “International Journal of Health Engineering and Technology” Green spinach leaf extract at 15% concentration promotes hair growth in rabbits.
January 2026 in “Western Journal of Nursing Research” Hair cortisol levels don't reliably indicate chronic stress in people with multiple sclerosis.
22 citations
,
April 2004 in “Journal of Neurochemistry” Acute stress increases Y1 receptor gene expression in certain brain areas, but repeated stress does not.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
November 2025 in “Journal of Laboratory Medicine” Chronic stress increased after lockdown, especially in young adults and females.
296 citations
,
October 2018 in “General and Comparative Endocrinology” Hair cortisol is a reliable way to measure long-term stress in animals.
118 citations
,
October 2014 in “Journal of Dairy Science” Tail switch hair is best for measuring cortisol in Holstein cows, with white hair and multiparous cows showing higher levels.
2 citations
,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
July 2024 in “Nursing Research” Hair and nail cortisol levels can show long-term stress in young males.
24 citations
,
January 2022 in “Journal of Nanobiotechnology” Quaternary ammonium iminofullerenes help maize roots grow better under stress by reducing oxidative damage.
22 citations
,
January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes” Forearm hair has more cortisol than lower leg hair.
8 citations
,
July 2010 in “Aesthetic Plastic Surgery” Adding more glutathione to the preservation solution doesn't reduce oxidative stress in hair transplants.
1 citations
,
January 2023 in “Life sciences” GABA contributes to stress-related hair loss, and ginkgolide A may help treat it.
March 2021 in “Research Square (Research Square)” Stress likely causes hair loss in Formosan macaques.
August 2025 in “International Journal of Biochemistry Research & Review” Glyphaea brevis and Monodora myristica can protect against finasteride's harmful effects on blood and oxidative stress in male rats.