Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
Arabica coffee pulp extract may help prevent hair loss and promote hair growth.
105 citations
,
October 2018 in “Nature” A small group of slow-growing cells causes basal cell carcinoma to return after treatment.
296 citations
,
October 2018 in “General and Comparative Endocrinology” Hair cortisol is a reliable way to measure long-term stress in animals.
106 citations
,
January 2013 in “Clinical and Developmental Immunology” Alopecia areata is caused by immune system attacks on hair follicles, often triggered by viral infections.
72 citations
,
March 2013 in “Primates” More research is needed to understand how diet affects isotope signatures in Japanese macaque tissues.
23 citations
,
January 2019 in “Journal of wildlife diseases” Boreal caribou in northeastern British Columbia have significant health issues, including infections, tick infestations, and mineral deficiencies.
8 citations
,
January 2018 in “Science of the total environment” Australian fur seals' fur shows high levels of pollutants, which may be linked to hair loss in young female seals.
2 citations
,
September 2009 in “Pigment Cell & Melanoma Research” Melanocytes in different body areas have evolved to perform specific functions based on their location.
1 citations
,
October 2025 in “BMC Genomics” Goat genes show adaptation to environments and traits like body development, with differences among cashmere, feral, and milk-producing goats.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
Hulunbuir lambs adapt better to cold than Hu lambs, showing more wool growth and thicker skin.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
211 citations
,
March 2011 in “Journal of Lipid Research” A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.
51 citations
,
January 2014 in “International journal of trichology” Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.
44 citations
,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
21 citations
,
March 2021 in “Frontiers in Neurology” The posterior cerebellum helps maintain balance by adapting to sensory inputs and self-motion.
5 citations
,
January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
1 citations
,
September 2025 in “Molecules” The conventional extraction method with 50% ethanol was the most effective for antioxidant activity.
1 citations
,
February 2023 in “Pharmaceutics” New UVA-responsive nanocapsules effectively kill microorganisms in hair follicles when activated by light.
517 citations
,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
365 citations
,
March 2021 in “Frontiers in Bioengineering and Biotechnology” Nanocarriers can improve drug delivery through the skin by overcoming barriers.
216 citations
,
May 2003 in “Journal of Investigative Dermatology” Glycerol is essential for skin hydration in mice without sebaceous glands.
214 citations
,
April 2017 in “Cell” Different small areas within hair follicles send specific signals that control what type of cells stem cells become.
130 citations
,
April 2001 in “Journal of Investigative Dermatology” The keratin tail is crucial for skin structure and function.
118 citations
,
October 2014 in “Journal of Dairy Science” Tail switch hair is best for measuring cortisol in Holstein cows, with white hair and multiparous cows showing higher levels.
98 citations
,
December 2015 in “The Journal of Cell Biology” Keratin is crucial for skin barrier formation and affects mitochondrial function.
91 citations
,
November 2008 in “Journal of biological chemistry/The Journal of biological chemistry” DGAT1 enzyme is crucial for healthy skin and hair by regulating retinoid levels.
87 citations
,
September 2006 in “Clinical Cancer Research” Protein Kinase C shows promise for cancer treatment, but more research is needed to develop effective inhibitors.
80 citations
,
November 2017 in “New Phytologist” Roots adapt to uneven environments by changing growth and gene expression.