September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
1 citations
,
September 2024 in “Reports of Vinnytsia National Medical University” Urticaria patients have different skinfold thickness patterns compared to healthy individuals, with some variations between men and women.
1 citations
,
July 2019 in “Psychoneuroendocrinology” July 2025 in “Journal of Oncology Research and Therapy” January 2023 in “BOĞAZİÇİ TIP DERGİSİ” High insulin levels may increase the risk of pilonidal sinus disease in female teens.
1 citations
,
September 2024 in “Journal of the American Academy of Dermatology” Poor air quality increases the risk of atopic dermatitis in Taiwan.
7 citations
,
October 2024 in “Drug Delivery and Translational Research” A 4% nanoparticle concentration and 4 Hz massage improve drug delivery into hair follicles.
2 citations
,
September 2013 in “日本香粧品学会誌” Keratin films can measure hair heat damage.
1 citations
,
January 2010 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.
April 2019 in “Archives of aesthetic plastic surgery” Higher fluences in 808-nm diode laser treatments are more effective for axillary hair removal.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” An integrated treatment approach effectively managed plaque psoriasis, leading to complete symptom resolution and hair regrowth.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” An integrated treatment approach effectively managed plaque psoriasis, leading to complete symptom resolution and hair regrowth.
20 citations
,
May 1998 in “PEDIATRICS” African-American girls tend to start puberty earlier than white girls, possibly due to increased androgen production.
9 citations
,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
1 citations
,
May 2006 in “Thyroid Research and Practice” Skin can become dry and thick in hypothyroidism.
20 citations
,
April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.
April 2016 in “Journal of Investigative Dermatology” The Engrailed-1 gene plays a key role in the development of sweat glands in mice.
21 citations
,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
25 citations
,
October 1993 in “American Journal of Physical Anthropology” Lower DHT levels lead to more body hair growth.
98 citations
,
July 2006 in “Neuropsychopharmacology”
2 citations
,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
1 citations
,
October 2023 in “Journal of the Endocrine Society” Testosterone treatment may affect heart response to stress in transgender men.
9 citations
,
January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
17 citations
,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
October 1933 in “Experimental Biology and Medicine” Epinephrine injections can cause severe skin reactions like hair loss and necrosis.
11 citations
,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
September 2021 in “Psychoneuroendocrinology” Nurses had higher stress levels during intense phases of the COVID-19 pandemic.
January 1990 in “Medical Entomology and Zoology” A new method can quickly detect alcohol abuse by analyzing hair in under an hour.