February 2023 in “Vaccines” COVID-19 may harm male reproductive health and lower testosterone levels, potentially affecting fertility and causing erectile dysfunction. More research is needed.
10 citations
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June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
13 citations
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August 2024 in “iScience” 3D spheroid culture makes stem cells better at reducing inflammation.
2 citations
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July 2025 in “Chemical Engineering Journal” The hydrogel dressing effectively treats infected wounds by combining infection control and tissue regeneration.
January 2025 in “SSRN Electronic Journal” 20 citations
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January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
42 citations
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January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
May 2023 in “Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy” A new green method accurately measures finasteride and tadalafil in drugs and plasma.
35 citations
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March 2010 in “British journal of dermatology/British journal of dermatology, Supplement” The study showed that mouse eyelashes can be used to study eyelash growth and that bimatoprost makes them longer and more numerous.
29 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
3 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
December 2025 in “EMBO Reports” Cells communicate with neighbors to coordinate their development.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
130 citations
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March 2014 in “Proceedings of the National Academy of Sciences of the United States of America” Epidermal Wnt/β-catenin signaling controls fat cell formation and hair growth.
36 citations
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July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
19 citations
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January 2013 in “International journal of medical sciences” Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.
4 citations
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January 2013 in “Genetics and Molecular Research” VEGF and microvessel density are closely linked and peak during specific hair growth phases in cashmere goats.
1 citations
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January 2015 in “Trace Elements in Medicine (Moscow)” A 3.75-year-old girl showed that different body organs can grow at different rates.
April 2026 in “Frontiers in Pharmacology” Erzhi Pill shows promise for health issues but needs better quality control and clearer usage guidelines.
August 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” A new method using special materials can help regrow hair by creating small wounds.
20 citations
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January 1979 in “Journal of Experimental Zoology” Plucking hair speeds up the next hair growth, but hormones can change this timing.
July 2022 in “Zenodo (CERN European Organization for Nuclear Research)”
September 2024 in “Journal of the American Academy of Dermatology” The new hair treatment significantly reduces hair shedding safely.
2 citations
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March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
34 citations
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March 2001 in “Cleveland Clinic Journal of Medicine” Manage hair shedding by identifying triggers, possibly using supplements or medications, and tracking with a health calendar.
May 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Cows that shed more hair in winter have better reproductive success and their calves weigh more at weaning.
November 2025 in “SKIN The Journal of Cutaneous Medicine” "Dread shed" is common with minoxidil but less so with other hair loss treatments.