January 2026 in “Dermatology and Therapy” General anesthesia might be linked to certain types of hair loss, but more research is needed.
April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
2 citations
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December 1995 in “Pediatrics” Infant hair loss is usually temporary and grows back without treatment.
September 2003 in “Clinics in Family Practice” Different hair diseases affect people during childbearing years, with treatments ranging from medication to psychological support.
2 citations
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January 2023 in “Dermatology practical & conceptual” COVID-19 diagnosis is linked to new or worsening hair diseases, with stress from the pandemic likely contributing.
7 citations
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September 1987 in “PubMed” Most hair loss cases are caused by four main conditions, and understanding them is key to treatment.
January 2024 in “International Journal of Applied Research” COVID-19 may cause hair loss, especially in young adults.
31 citations
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April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
5 citations
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October 2019 in “JAAD Case Reports” These hair loss conditions might be part of a spectrum, not separate issues.
February 2007 in “Independent Nurse” Different scalp conditions have distinct features and causes.
December 2019 in “Journal of pediatrics & neonatology” A 13-year-old boy had a rare, stable type of hair loss with little chance of regrowth, but treatment is available for looks.
October 2025 in “Nature Reviews Disease Primers” October 2025 in “Nature Reviews Disease Primers” January 2026 in “Surgical & Cosmetic Dermatology”
Higher cannabis exposure may lead to increased hair loss.
Glass ceiling syndrome is linked to stress-related hair loss in female healthcare workers.
January 2004 in “Nederlands Tijdschrift voor Dermatologie & Venereologie” Female pattern hair loss causes thinning hair on top of the scalp, treatable with limited success.
1 citations
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January 2022 in “Italian journal of dermatology and venereology” The combination of arginine and zinc reduces hair loss and increases hair growth effectively.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Many young men with hair loss have low levels of vitamin D and B12.
Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
Hair loss can occur after treating diabetic ketoacidosis, especially with rapid weight loss and high soft drink intake.
2 citations
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December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Hair loss is common, with different types affecting people due to genetics, stress, or autoimmune issues.
December 2023 in “Journal of family medicine and primary care” Many people in Saudi Arabia experienced hair loss after COVID-19, especially women, those treated with antivirals, and those with a history of hair shedding.
May 2025 in “Journal of Clinical Images and Medical Case Reports” Hair transplants can trigger a rare scarring hair loss that is hard to treat.
December 2023 in “Scientific Reports” Scientists created cell lines from balding patients and found that cells from the front of the scalp are more affected by hormones that cause hair loss than those from the back.
COVID-19 infection and vaccination are linked to hair loss, especially in women and those with nutritional deficiencies.
2 citations
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May 2017 in “Journal of the American Academy of Dermatology”
October 2025 in “Journal of Pharmacy And Bioallied Sciences” Post-COVID, many patients experience skin issues like hair loss and herpes reactivation, especially in middle-aged women.
1 citations
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January 1997 in “Dermatology” A woman lost her hair from stress after a bee attack and her sister's death.