January 2014 in “Side effects of drugs annual” Exposure to certain sex hormones can increase health risks, while some hormone therapies may offer benefits for specific conditions.
February 2011 in “Journal of Intellectual Property Law & Practice” Dosage regime inventions can be patentable in China, but legal uncertainty exists.
December 2010 in “Jurnal Natural (Faculty of Mathematics and Natural Science, Syiah Kuala University)” Age, race, family history, and certain genetic factors increase prostate cancer risk.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
April 2001 in “Dermatologic Surgery” Michael L. Beehner proposed a standardized naming system for balding scalp areas to help hair restoration surgery.
Long-term use of seizure medications can disrupt calcium metabolism, but this can be treated with vitamin D or UV light and does not affect seizure control.
Hair loss should be medically treated, as non-medical treatments are ineffective and hair loss can indicate serious health issues.
The document concludes that most hair loss treatments don't work, balding isn't caused by dandruff, and hair loss may indicate serious health issues that require medical attention.
Jockeys using diuretics without potassium supplements can face health problems.
July 2011 in “British Journal of Dermatology” Hormone treatment caused hair loss, finasteride helped regrowth.
September 2025 in “Frontiers in Genetics” The method effectively extracts high-quality DNA from marmoset hair, avoiding blood chimerism.
October 2025 in “Brazilian Journal of Veterinary Research and Animal Science” Neotropical porcupines can get co-infected with poxvirus and Toxoplasma gondii.
25 citations
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May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
11 citations
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November 2019 in “The FASEB Journal” A mutation in the MAP2 gene causes reduced hair follicle density, leading to hairlessness.
April 2023 in “Journal of Investigative Dermatology” CD206+ macrophages are crucial for hair growth in alopecia areata treatment.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
48 citations
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July 1988 in “PubMed” Rhino mice show significant meibomian gland changes, making them a potential model for studying gland disorders.
A new genetic mutation was found causing hair and eye issues in a boy.
175 citations
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December 2014 in “PLoS Biology” Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
4 citations
,
March 2019 in “Biodiversitas Journal of Biological Diversity” Only 5 duku seedlings showed resistance to stem canker, linked to specific mother tree traits.
15 citations
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May 2023 in “npj Regenerative Medicine” Macrophages help maintain mammary stem cells and tissue balance through specific signaling pathways.
7 citations
,
January 1995 in “The Indian Journal of Animal Sciences” The Indian buffalo teat has a melanin-rich epidermis, no hair follicles, and a complex structure with muscle, blood vessels, and immune cells.
14 citations
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May 2008 in “Journal of Visualized Experiments” Mouse epidermal neural crest stem cells can become various cell types and are easily obtained from hair follicles.
April 2024 in “Pigment cell & melanoma research” Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.