October 2025 in “International Journal of Dermatology” GLP-1 receptor agonists may cause hair loss, but regrowth is rare.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
January 2012 in “TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN” Human hair can be used to study mineral changes from long-term space flight.
10 citations
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September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
11 citations
,
September 1996 in “Neuroscience letters” Adding fetal calf serum helps Merkel cells survive and change shape.
31 citations
,
October 2002 in “Dermatologic Surgery” Minoxidil helps stabilize hair loss, increase density, and reduce shedding after hair transplant surgery.
30 citations
,
March 2010 in “European Journal of Dermatology” Hair loss in elderly women is often caused by various factors, including hormonal changes after menopause.
30 citations
,
October 2005 in “Journal of Investigative Dermatology Symposium Proceedings” The document concludes that hair transplantation is recommended for those not helped by medical treatments, but warns that high-density transplants may lower hair survival rates.
10 citations
,
January 2010 in “PubMed” Adjuvants, diet changes, and laser therapy may improve male pattern hair loss.
68 citations
,
March 1965 in “The BMJ” Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.