November 2024 in “Applied Sciences” Placenta products might help with hair loss, but more research is needed.
October 2024 in “Frontiers in Nutrition” Vitamin D deficiency is common in people with certain types of hair loss, like alopecia areata and female pattern hair loss.
January 2019 in “International Journal of Trichology” A woman lost all her hair in one day, was diagnosed with a rare type of hair loss, and regrew it in 12 weeks with treatment.
17 citations
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January 2020 in “Skin appendage disorders” Certain diets may help with hair growth in people with different types of hair loss.
6 citations
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May 2022 in “Journal of Infection” Long-COVID symptoms can last more than a year and change over time.
2 citations
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January 2021 in “Cureus” A child's chronic use of Senna caused liver damage and a severe decrease in blood cells, but improved after stopping Senna and getting treatment.
1 citations
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August 2023 in “Irish Journal of Medical Science (1971 -)” About a quarter of the participants experienced hair loss after COVID-19 vaccination.
July 2025 in “Journal of Dermatology for Physician Assistants” Specific tests may help diagnose alopecia, but their treatment impact is unclear.
Topical treatments like minoxidil and corticosteroids are effective for hair loss, with JAK inhibitors promising for alopecia areata.
October 2024 in “Frontiers in Immunology” Pertussis toxin may contribute to hair loss in alopecia areata.
January 2024 in “Aging medicine” A COVID-19 infected patient with chronic kidney disease experienced worsened kidney function, hair loss, and unexpected wart clearance.
The system can automatically identify different hair and scalp conditions using machine learning.
November 2023 in “Journal of Cosmetic Dermatology” People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
February 2023 in “Facial Plastic Surgery Clinics of North America” Careful planning and skilled surgery can make hair replacement safe and effective.
August 2022 in “Gene Reports” New hair loss treatments could be improved by using combined biological markers.
25 citations
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February 2022 in “JAAD International” Some COVID-19 patients lose hair, with the most common type linked to male hormones and possibly increasing the risk of severe illness.
14 citations
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July 2022 in “Nutrients” Vitamin A is important for healthy skin and hair, influencing hair growth and skin healing, but UV light reduces its levels.
13 citations
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April 2018 in “Journal of The American Academy of Dermatology” People with certain types of hair loss, especially lichen planopilaris and telogen effluvium, as well as African Americans, Asians, and men, are more likely to have severe vitamin D deficiency.
8 citations
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February 2023 in “Actas Dermo-Sifiliográficas” Dermatologists should learn trichoscopy to better diagnose hair loss conditions.
6 citations
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May 2022 in “Frontiers in Medicine” The study suggests pandemic stress might worsen or trigger hair loss problems.
6 citations
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July 2019 in “Indian Journal of Dermatology” About 12% of children in Kota, Rajasthan, experience hair loss, mainly due to fungal infections, with early treatment advised to prevent worsening.
5 citations
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January 2023 in “International Journal of Molecular Sciences” Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.
5 citations
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November 2021 in “Skin appendage disorders” Hair loss can cause stress and mental health issues, so treatments should address both the physical and psychological aspects, involving a team of dermatologists, psychologists, and hair specialists.
3 citations
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June 2023 in “Medicines” Some antiseizure medications can cause reversible hair loss, with valproate, lamotrigine, and carbamazepine being the most common.
3 citations
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May 2023 in “Frontiers in Public Health” Most severe COVID-19 patients in Mexico experienced long-lasting symptoms that worsened their quality of life.
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.
2 citations
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February 2021 in “The Journal of clinical and aesthetic dermatology” Understanding the cause of bitemporal hair loss is key to deciding the right treatment.
2 citations
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January 2014 in “Journal of clinical and investigative dermatology” Some drugs used to treat immune conditions may cause different types of hair loss.
1 citations
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February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
1 citations
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February 2023 in “International Journal of Molecular Sciences” Melatonin, the sleep hormone, can help treat skin conditions like dermatitis, hyperpigmentation, and scalp disorders, and may also aid in skin aging prevention and regeneration. However, it's not recommended for asthma due to its pro-inflammatory effect.