90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
54 citations
,
March 2012 in “International Journal of Andrology” Prenatal pesticide exposure may cause earlier breast development in girls.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
20 citations
,
November 2019 in “International Journal of Environmental Research and Public Health” Breathing in high levels of certain air pollutants significantly increases women's risk of developing Polycystic Ovary Syndrome.
15 citations
,
September 2021 in “Frontiers in Endocrinology” Hormone therapy increases the risk of heart-related issues in transgender women and may affect heart health in transgender men.
13 citations
,
August 2023 in “Developmental Cell” Mechanosensory neurons adapt to different skin types after birth.
12 citations
,
November 2018 in “Psychoneuroendocrinology” 11 citations
,
May 2020 in “Frontiers in psychiatry” Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
5 citations
,
September 2021 in “Cureus” Depression in women with Polycystic Ovarian Syndrome (PCOS) is linked to insulin resistance and hyperandrogenism, and managing these can help reduce depression. Lifestyle changes and Cognitive Behavioral Therapy can be effective treatments.
4 citations
,
August 2025 in “Journal of Ovarian Research” More research is needed to confirm if natural products effectively treat PCOS.
3 citations
,
January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
3 citations
,
December 2017 in “Journal of Psychiatric Research” Hair samples can't reliably detect hypercortisolism in anorexia nervosa patients.
2 citations
,
November 2025 in “Pharmacology Research & Perspectives” Avacopan may cause unexpected side effects, so early monitoring is important.
2 citations
,
July 2025 in “Journal of Health Population and Nutrition” Improving diet may help manage sleep disorders.
2 citations
,
June 2025 in “Biomolecules” Microbiome analysis, BEVs, and AI can improve PCOS diagnosis and treatment.
1 citations
,
July 2025 in “BMC Medicine” PCOS affects 11% of women, highlighting the need for standardized diagnosis.
1 citations
,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
June 2025 in “Clinical Cosmetic and Investigational Dermatology” Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.
January 2025 in “Dermatologic Therapy” Alopecia areata may be linked to higher heart disease risk.
November 2024 in “Revista de Investigación y Educación en Ciencias de la Salud (RIECS)” A 7-year-old girl developed early pubic hair growth without other puberty signs, diagnosed as isolated premature pubarche.
99 citations
,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
97 citations
,
January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
1 citations
,
November 2023 in “Rice” PRX102 is essential for rice root hair growth by helping transport substances to the tips.
1425 citations
,
September 2020 in “Open Biology” Better understanding of wound healing is needed to develop effective treatments for chronic wounds.
157 citations
,
June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
120 citations
,
April 2019 in “The Journal of clinical investigation/The journal of clinical investigation” Both estrogens and androgens are important for health in both males and females.
38 citations
,
December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
37 citations
,
August 2024 in “Current Issues in Molecular Biology” Keratins 6, 16, and 17 increase in damaged or diseased skin and may help diagnose skin issues.
30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.