93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
89 citations
,
August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
85 citations
,
December 1990 in “Journal of Investigative Dermatology” Minoxidil promotes hair growth in women with early-stage alopecia.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
19 citations
,
September 2019 in “PLOS genetics” Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.
19 citations
,
April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
18 citations
,
May 2014 in “Menopause” A 5 mg dose of transdermal testosterone cream effectively restores testosterone levels in postmenopausal women.
16 citations
,
January 2011 in “Archives of Dermatological Research” The study found that expanded skin regenerates similarly to normal skin, with 77 genes playing a role in the process.
10 citations
,
June 2021 in “Primates” Wild geladas in crop areas show less grooming and aggression.
10 citations
,
January 2019 in “Journal of Chromatography B” Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
7 citations
,
June 2024 in “Communications Medicine” Spaceflight can harm skin health by altering gene expression, affecting DNA, mitochondria, and skin barriers.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
7 citations
,
June 2011 in “Movement Disorders” A specific gene mutation is linked to a hereditary form of dystonia that responds well to certain medications.
5 citations
,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
5 citations
,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
2 citations
,
April 2021 in “International Journal of Pharmaceutics” Serum formulations were better at delivering molecules to the hair bulb than nanoparticles.
2 citations
,
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The Asiatic lion has very low genetic diversity and unique genetic traits, highlighting the need for its conservation.
1 citations
,
May 2025 in “Scientific Reports” Sex hormones do not cause oral lichen planus.
1 citations
,
November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
February 2026 in “Scientific Reports” The model effectively mimics radiation-induced skin damage for future research.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
January 2015 in “Indian Journal of Medical Biochemistry” Men with early balding should be checked for metabolic syndrome, as there's a link between the two.
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
1250 citations
,
August 2021 in “Scientific Reports” COVID-19 leaves 80% of patients with long-term symptoms like fatigue and headaches.
737 citations
,
August 2020 in “Journal of Infection” Many COVID-19 survivors experience long-term symptoms but still report satisfactory quality of life and return to work.
336 citations
,
August 2015 in “European Journal of Epidemiology” The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.
237 citations
,
June 2013 in “Nature Medicine” A protein from certain immune cells is key for new hair growth after skin injury in mice.