Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
63 citations
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October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
18 citations
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June 1998 in “Circulation” Mild essential fatty acid deficiency can cause health issues and is worsened by low-fat diets.
3 citations
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January 2014 in “The Journal of Dermatology” Squaric acid dibutylester for alopecia areata can cause benign skin lymphoid growths.
4 citations
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December 2010 in “Journal of the American Geriatrics Society” Thalamic stroke can cause delirium without other symptoms, especially in older adults.
May 2025 in “The Journal of Rheumatology” People with lupus find fatigue and skin issues very bothersome, and even small improvements are meaningful.
1 citations
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February 2019 in “Dermatologic Surgery”
16 citations
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January 2010 in “American Journal of Neuroradiology” Specific brain and bone imaging findings can help diagnose Trichothiodystrophy.
56 citations
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June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
July 2025 in “ALEXMED ePosters” Low levels of folic acid and ferritin may contribute to hair loss and scalp pain in women.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
February 2013 in “Pediatrics in Review” The girl's symptoms suggest a complex condition that's hard to diagnose despite normal test results.
3 citations
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January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
May 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EAAT4 decreases with age, harming skin function and calcium balance.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
February 2024 in “International journal of molecular sciences” UV exposure reduced hair shine in mice, but minoxidil helped restore it.
2 citations
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May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
5 citations
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September 2022 in “International Journal of Health Sciences” Hypothyroidism is most common in older females, with symptoms like weakness, weight gain, and hair loss.
35 citations
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January 2009 in “Indian Journal of Dermatology, Venereology and Leprology” Older adults commonly experience wrinkles, itchy skin, psoriasis, fungal infections, skin growths, grey hair, hair loss, and nail ridging, but no skin cancer was found in this group.
April 2026 in “Diagnostics” Parry–Romberg Syndrome can involve the brain even without obvious symptoms, and a new diagnostic framework is suggested for early detection.
49 citations
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
1 citations
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October 1984 in “Clinics in dermatology” People distressed by minor skin changes should consult dermatologists with cosmetic expertise, and a public Cosmetic Dermatology Service with mental health support is recommended.
1 citations
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August 2021 in “Canadian journal of neurological sciences” Woodhouse-Sakati syndrome can cause writer's cramp and other varied symptoms, highlighting the importance of genetic testing for diagnosis.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Dopamine receptors in the brain influence itch-related scratching behavior.
44 citations
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September 1948 in “Radiology” Too much vitamin A can cause serious health problems.
19 citations
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July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
December 2024 in “Skin Appendage Disorders” Traction alopecia reduces hair density and thickness; proper hair care can help prevent it.
October 2023 in “Journal of Pakistan Association of Dermatologists” This study investigated the relationship between serum Vitamin D levels and alopecia areata (AA), as well as the effectiveness of vitamin D3 analogues in treating AA. In a randomized control trial with 100 patients, it was found that 69% had low serum Vitamin D levels. All participants were treated with topical calcipotriol for 6 months, resulting in a significant reduction in the severity of AA, as measured by the SALT score, from 20.7 to 9.4. The treatment was effective in 71% of patients. The study concludes that patients with AA often have lower Vitamin D levels and that vitamin D3 analogues can effectively improve hair growth in these individuals.
16 citations
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June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.