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.
2 citations
,
July 2013 in “PubMed” The pubic hair loss was likely due to anorexia nervosa.
February 2023 in “Cosmoderma”
18 citations
,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
6 citations
,
November 1988 in “Journal of the American Academy of Dermatology” The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
3 citations
,
August 2004 in “Veterinary Dermatology” Supplementing vitamins and minerals prevented hair loss in Icelandic horses.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
68 citations
,
April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
10 citations
,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
November 2001 in “CRC Press eBooks” Hair loss from telogen effluvium happens when a disturbance or imbalance causes hair to fall out prematurely.
September 2024 in “Journal of Cosmetic Dermatology” The new hair product quickly reduces hair shedding in women.
January 2018 in “Springer eBooks” Telogen effluvium is hair loss caused by disruption of the normal hair cycle.
24 citations
,
March 1995 in “British Journal of Dermatology” Etretinate therapy can cause hair loss by disrupting the hair growth cycle.
214 citations
,
March 1993 in “Archives of Dermatology” Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.
August 2004 in “Veterinary Dermatology” The red panda's hair loss was caused by an endocrine issue linked to ovarian tumors.
8 citations
,
February 2005 in “Veterinary dermatology” Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.
10 citations
,
October 2002 in “Journal of The American Academy of Dermatology” The document concludes that a man's long hair may have helped diagnose his rare case of chronic hair shedding, for which no treatment is advised.
May 2020 in “Research Square (Research Square)” Researchers found four key stages of cell development that are important for hair growth and shedding in cashmere goats.
2 citations
,
June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
1 citations
,
May 2003 in “Archives of Pathology & Laboratory Medicine” The boy had trichotillomania, causing hair loss, and treatment focused on habit reversal and support.
16 citations
,
February 2017 in “Dermatology and Therapy” The new visual scale is a quick and effective way to measure hair loss in women.
March 2003 in “CRC Press eBooks” Telogen effluvium is hair loss caused by many hairs stopping growth suddenly, often due to stress or illness, but sometimes it's normal and not due to disease.
6 citations
,
April 1971 in “Journal of Wildlife Diseases” Switching flying squirrels' diet from seeds to mouse chow restored their hair.
4 citations
,
January 2007 in “Australian Veterinary Journal” A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.
January 2001 in “Nishi Nihon hifuka” The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
113 citations
,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
56 citations
,
January 1970 in “Cell and Tissue Research”
August 2025 in “Journal of the American Academy of Dermatology” Minoxidil can temporarily increase hair shedding, causing anxiety and treatment discontinuation.