February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
9 citations
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June 2017 in “Journal of Dermatology and Dermatologic Surgery” The most common skin diseases in Hail, Saudi Arabia, are eczema and acne, with more women affected than men.
October 2011 in “InTech eBooks” Menstrual cycles can be irregular for women of childbearing age.
December 2024 in “Media Dermato Venereologica Indonesiana” Acne vulgaris was the most common skin disorder overall.
2 citations
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March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
21 citations
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May 2023 in “The Journal of Allergy and Clinical Immunology In Practice” 92 citations
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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
July 2026 in “Journal of the American Academy of Dermatology” September 2024 in “Journal of the American Academy of Dermatology” Sun-protective behaviors increased, and sunburns decreased in both Hispanic and Non-Hispanic White individuals from 2005 to 2020.
11 citations
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July 2022 in “Frontiers in immunology” Cases of alopecia areata and its impact on life quality rose globally, but when adjusted for age, the rates decreased, especially in poorer regions.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Post-exposure syndromes are persistent conditions caused by past exposures, needing unique interventions.
March 2021 in “The British Journal of Psychiatry” Countries with stricter cultures had fewer COVID-19 cases and deaths, paranoia is linked to false memories, psychosocial intervention works as well with or without antipsychotic drugs for young people with psychosis, smartphones can detect changes in behavior indicating illness relapse, and recruitment agents show regional and gender biases.
1 citations
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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.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Post-Exposure Syndromes are persistent conditions caused by past exposures, needing unique interventions.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
9 citations
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April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
186 citations
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February 1980 in “Clinical Endocrinology” During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.
Knee laxity varies with menstrual cycle phases, being highest during ovulation and menstruation, and is influenced by sex-steroids.
January 2025 in “SSRN Electronic Journal” October 2024 in “Skin Appendage Disorders” Some people grow more hair on one side of their scalp, possibly due to genetics, behavior, or environment.
June 2026 in “Bulletin of Mathematical Biology” AGA causes more uncertainty in hair growth duration, while AA leads to a shorter, predictable growth phase.
29 citations
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January 2014 in “Frontiers in physiology” Understanding and tracking our body's natural daily rhythms could help improve heart health.
November 2025 in “Biocell” Balancing stress responses can improve stem cell health and aid in regenerative medicine and cancer treatment.
February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.
January 2026 in “Aesthetic Plastic Surgery” The severity of female pattern hair loss is linked to how long someone has had it, not to levels of certain nutrients or hormones.
78 citations
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November 2014 in “Functional Ecology” Heavily hunted wolves have higher stress and reproductive hormone levels.
38 citations
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May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
27 citations
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February 2023 in “Frontiers in Cell and Developmental Biology” WNT10B is important for body functions and linked to diseases like osteoporosis, obesity, and cancer.
26 citations
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January 2007 in “Organogenesis” Bioengineering can potentially treat hair loss by regenerating hair follicles and cloning hair, but the process is complex and needs more research.