22 citations
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August 2013 in “International journal of gynaecology and obstetrics” Acne severity in women with PCOS is linked to younger age, lower body weight, and more body hair, but not to hormone levels.
18 citations
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November 2012 in “Australasian Journal of Dermatology” A 66-year-old man with a rare case of male frontal fibrosing alopecia did not regrow hair despite treatment.
1 citations
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May 2025 in “Animal Bioscience” Four genes affect hair follicle density in goats.
1308 citations
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March 1998 in “Journal of bone and mineral research” The vitamin D receptor is crucial for bone health and affects various body systems, with mutations potentially leading to disease.
75 citations
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September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
40 citations
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January 2016 in “Elsevier eBooks” The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.
33 citations
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January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
25 citations
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February 1989 in “The Journal of Clinical Pharmacology” This document studied minoxidil in healthy volunteers. Minoxidil is quickly absorbed and eliminated from the body.
4 citations
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October 2013 in “Springer eBooks” Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.
38 citations
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October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
27 citations
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May 2016 in “Dermatologic Surgery” Male faces age with more wrinkles and hair loss, influenced by both body changes and environmental factors.
277 citations
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July 2011 in “Journal of the Dermatology Nurses’ Association” The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.
8 citations
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January 2015 in “Scars, burns & healing” Hair transplantation effectively treats burn scar alopecia, improving self-esteem and confidence.
2 citations
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May 2009 in “Medicine” Hair and nails can help diagnose diseases, with nail issues often linked to skin conditions and hair loss having various causes and treatments.
January 2023 in “International Journal of Pharmaceutical Research and Development” Nanotechnology therapies can help improve quality of life for those with hair loss.
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.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
8 citations
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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.
6 citations
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January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
2 citations
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January 1980 in “Acupuncture & electro-therapeutics research” Hair loss might be due to nerve issues, treatable with electric stimulation or acupuncture.
December 2025 in “Medical & Clinical Case Reports Journal” Corynebacterium minutissimum might cause hair loss on the scalp, but it's rarely diagnosed.
August 2022 in “Archives of pediatric surgery” Hair-Thread Tourniquet Syndrome is a rare condition where hair or thread tightly wraps around a child's body part, requiring quick treatment to prevent damage.
January 2018 in “Journal of general practice” Young people are losing hair due to stress, poor diet, pollution, and lack of sleep, but it can be treated with supplements and scalp treatments.
January 2017 in “Journal of cosmetology & trichology” A man with severe hair loss regrew hair after hormone treatment.
98 citations
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February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
33 citations
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August 1985 in “Archives of Dermatology” Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
18 citations
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May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
4 citations
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January 1992 in “The Tohoku Journal of Experimental Medicine” Zinc made mice's coarse hair turn into fine hair without affecting skin structure.