58 citations,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
64 citations,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
April 2020 in “Arquivo Brasileiro De Medicina Veterinaria E Zootecnia” A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.
July 2023 in “Health Sciences Quarterly” Acne, dermatophytosis, and viral warts are the most common skin problems in a Turkish dermatology clinic.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
March 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Health issues in retired breeder guinea pigs don't affect experiment success.
25 citations,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
1 citations,
March 1994 in “Proceedings of the British Society of Animal Production” Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.
22 citations,
July 2012 in “Journal of integrative agriculture/Journal of Integrative Agriculture” Hoxc13 is linked to seasonal hair growth in Cashmere goats and is affected by melatonin.
43 citations,
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.
December 2024 in “Journal of Population Therapeutics and Clinical Pharmacology” Psoriasis worsens in winter in India due to less sunlight and dry skin, needing personalized treatment.
127 citations,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
26 citations,
October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
16 citations,
October 2003 in “Journal of The American Academy of Dermatology” A boy had unusual synchronized hair growth with short active growth phases, not fitting known hair disorders.
March 2024 in “Antioxidants” Excessive blue light harms eye cells and disrupts sleep patterns.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
10 citations,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
8 citations,
September 2010 in “Journal of Men's Health” Androgenic Alopecia, a common hair loss condition, can be effectively treated with finasteride and other treatments.
10 citations,
December 2020 in “Palaeogeography, palaeoclimatology, palaeoecology” Elephant tusks and hair reveal seasonal diet and climate changes.
1 citations,
January 2022 in “Springer eBooks”
February 2024 in “medRxiv (Cold Spring Harbor Laboratory)” The study aims to understand how mood, physical activity, light exposure, and seasonal changes affect sleep patterns.
11 citations,
April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
43 citations,
January 2007 in “American Journal of Clinical Dermatology” Combined minoxidil and tretinoin solution works as well as regular minoxidil for male hair loss.
1 citations,
January 2015 in “Springer eBooks” AGA is a common hair loss disorder, and early diagnosis and treatment with minoxidil or finasteride can help reduce emotional distress.
38 citations,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
133 citations,
August 1969 in “Science” Melatonin causes weasels to grow white fur and become reproductively inactive.
12 citations,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
January 2006 in “Elsevier eBooks” Cats with Feline Symmetrical Alopecia can regrow hair with proper treatment based on the specific cause, including diet, medication, or stress management.
1 citations,
January 2018 in “Journal of Cosmetics, Dermatological Sciences and Applications” Ostrich antibodies helped regrow hair in men with hair loss, but the application needs to be easier.