December 2022 in “Himi, himijn tehnologijn hùrèèlèngijn èrdèm šinžilgèènij bùtèèl” Hair products with copper and zinc enriched yeast made hair thicker and denser.
July 2020 in “International Journal of Dermatology Venereology and Leprosy Sciences” Most postmenopausal women experience skin and hair issues, so regular check-ups are important.
February 2019 in “Journal of the Faculty of Agriculture Kyushu University” Terpene concentrations in coniferous trees are highest in spring and summer, making these seasons best for extracting essential oils.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Aging causes changes in scalp cells that can negatively affect hair health.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
15 citations
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April 2008 in “Steroids” The more lipophilic the progesterone derivative, the better it binds to androgen receptors and has antiandrogenic effects.
7 citations
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August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
Wavy sinus hairs in cats are linked to feline leukemia virus infection.
43 citations
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July 2020 in “Dermatologic Therapy” During the COVID-19 pandemic, a clinic in Turkey saw fewer patients but more cases of certain skin conditions, possibly linked to the virus and stress.
62 citations
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April 2013 in “Steroids” PCOS symptoms change with age; younger women have higher androgen levels and less metabolic issues, while older women face more metabolic challenges despite milder PCOS symptoms.
49 citations
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April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
48 citations
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January 2018 in “Scientific Reports” Hair analysis can reveal metabolic changes and potential pregnancy complications.
30 citations
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July 2022 in “Scientific Reports” Obesity and lifestyle strongly affect heart aging.
27 citations
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July 1990 in “International Journal of Dermatology” A pulsed electrical field safely and effectively increased hair growth.
26 citations
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July 1995 in “Neurobiology of Aging” Finasteride affects prostate weights and pituitary activity differently with age.
19 citations
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July 1993 in “Journal of Applied Toxicology” Different oil products cause varying levels of skin irritation in mice, which could potentially lead to tumors.
13 citations
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January 2007 in “Epilepsia” Valproic acid can cause reversible hair curling and persistent hair thinning.
12 citations
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
4 citations
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January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
1 citations
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May 2016 in “Pharmaceutical Biology” Aspergillus niger culture creates two finasteride derivatives with enzyme-inhibiting effects.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
37 citations
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October 2014 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
3 citations
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May 2021 in “Dermatologic Clinics” COVID-19 changed dermatology by increasing telemedicine and highlighting healthcare disparities.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
38 citations
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September 2017 in “Oncologist” Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.
25 citations
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July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
24 citations
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July 2015 in “Biogeosciences” A fungus is essential for forming and shaping hair ice on dead wood.
18 citations
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January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.
17 citations
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September 2022 in “Genes & Genomics” Long non-coding RNAs affect feather growth in chickens in ways that don't follow traditional genetic rules.
17 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.