The chapter explains causes of hair loss and excessive hair growth in animals.
July 2017 in “British Journal of Dermatology” The document concludes that scalp conditions have various causes and can present in many different ways.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
March 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Health issues in retired breeder guinea pigs don't affect experiment success.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
432 citations,
April 2014 in “Nature communications” A mother's diet at conception can cause lasting genetic changes in her child.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
3 citations,
September 2022 in “Frontiers in veterinary science” Melatonin affects cashmere growth in goats by influencing stem cell and certain signaling pathways.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
294 citations,
August 1999 in “Journal of the American Academy of Dermatology” Laser hair removal is safe with the right settings, but side effects like pain and skin changes are more common in darker or tanned skin.
62 citations,
December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
53 citations,
October 2018 in “Aesthetic Surgery Journal” Google Trends data on facial cosmetic procedures matches actual surgery numbers, showing it can help plastic surgeons understand public interest.
48 citations,
October 1996 in “Dermatologic clinics” Some treatments can help with hair regrowth in alopecia areata, but results vary and long-term use is often needed without changing the disease's outcome.
47 citations,
May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
23 citations,
March 2019 in “Journal of Essential Oil Research” Rosemary's antioxidant content changes with the climate and season.
20 citations,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
14 citations,
February 2013 in “Veterinary dermatology” Horse alopecia areata is rare and mainly affects their appearance.
14 citations,
January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.
13 citations,
October 2011 in “Clinical and Experimental Dermatology” Laser hair-comb therapy doesn't improve male-pattern hair loss.
9 citations,
October 2012 in “Natural Product Communications” The essential oil from Chamaecyparis lawsoniana has strong antibacterial and antifungal effects, especially against yeast and Gram-positive bacteria.
9 citations,
November 2007 in “Veterinary dermatology” Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.
7 citations,
January 2015 in “Genetics and molecular research” The RORα gene is active in different parts of cashmere goat hair follicles and may be influenced by melatonin, especially in December when hair growth changes.
5 citations,
May 2018 in “Journal of the American Academy of Dermatology” Lower vitamin D levels might be linked to more severe alopecia areata, but more research is needed to understand if vitamin D can help treat it.
3 citations,
January 2019 in “Aesthetic Surgery Journal” Google Trends is useful for aesthetic surgeons to improve marketing by tracking what and when people search for facial cosmetic procedures.
3 citations,
May 2011 in “Medical Hypotheses” Transnasal cooling could reveal new insights into various physiological conditions and may be a natural way to transfer heat from the brain.
2 citations,
October 2020 in “Journal of The American Academy of Dermatology” The authors suggest that scalp hair might protect against COVID-19 and call for more research on scalp health and the virus.
1 citations,
June 2022 in “Zagazig Veterinary Journal/Zagazig Veterinary Journal (Online)” Alopecia in dogs is often caused by mange, flea and tick infestations, and nutritional deficiencies, especially in males and young dogs.
1 citations,
January 2018 in “Journal of clinical & experimental dermatology research” Some nail changes in chilblains can look like lichen planus and may be severe and long-lasting.