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June 1976 in “JAMA” Severe calorie cutting can cause hair loss, but hair usually grows back after some time.
5 citations
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August 1925 in “Archives of dermatology” An 8-year-old boy with Recklinghausen's Disease shows various symptoms and is from a family with close genetic ties.
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April 2007 in “Journal of child neurology” An 11-month-old boy with Menkes disease had severe brain shrinkage and abnormal blood vessels, and didn't respond well to treatment.
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
May 2022 in “Acta Scientific Women's Health” A woman lost over 80% of her hair due to a condition called telogen effluvium after having COVID-19.
14 citations
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March 2000 in “Journal of Zoo and Wildlife Medicine” A new type of mite caused hair loss in a koala, which was treated successfully with ivermectin.
Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.
September 2024 in “Journal of the American Academy of Dermatology” Dermatologists can detect smaller hair density changes than previously thought.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
July 2021 in “British Journal of Dermatology” The pandemic likely caused delays in skin cancer assessments, leading to fewer early diagnoses and thicker melanomas.
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
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January 2005 in “Journal of The American Academy of Dermatology” Most patients with chronic hair shedding did not progress to permanent hair loss, and one showed improvement with treatment.
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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.
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January 1995 in “Dermatology” Dermatologists should consider congenital syndromes like TRPS in young adults with early hair loss.
October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Long-term unemployment leads to higher stress levels.
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January 1989 in “Journal of Investigative Dermatology” Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.
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January 2025 Erk signaling helps zebrafish fins regrow to the right size by using memory of the original size.
July 2018 in “Elsevier eBooks” Acne keloidalis nuchae is a chronic skin condition more common in African men, causing itchy or painful bumps and can lead to permanent hair loss if not treated early.
May 2015 in “Endocrinología y nutrición” The conclusion is that adult males with muscle weakness and hormonal imbalances should be tested for Kennedy's disease.
1 citations
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March 2022 in “Frontiers in Medicine” Regular endoscopic checks are crucial for Cronkhite-Canada syndrome patients to catch potential cancers early.
July 2024 in “Indian Journal of Skin Allergy” Patchy hair loss from post-herpetic neuralgia can mimic trichotillomania but requires different treatment.
2 citations
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July 2025 in “Journal of the European Academy of Dermatology and Venereology” The girl in "The Girl with a Pearl Earring" might have had alopecia areata, causing her lack of eyebrows and sparse eyelashes.
July 2017 in “The American Journal of Cosmetic Surgery” A patient's hair loss after a browlift surgery improved on its own over 8 months.
September 2024 in “Revista de Cercetare si Interventie Sociala” The pandemic increased interest in aesthetic treatments due to more online meetings.
February 2010 in “Journal of The American Academy of Dermatology” Babies born after 38 weeks to mothers under 36 years old and not delivered by C-section have a higher risk of neonatal occipital alopecia.
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June 2022 in “European journal of human genetics” A new type of pachyonychia congenita linked to a specific keratin gene mutation was found in two Pakistani families.
January 2006 in “DOAJ (DOAJ: Directory of Open Access Journals)” Loose anagen hair syndrome causes easily pulled, thin hair in kids but is harmless and temporary.
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March 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Recognizing Jacquet's sign helps diagnose and treat traction alopecia accurately.
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March 2004 in “The American journal of pathology” Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.
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August 2001 in “PubMed” CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.