Higher cannabis exposure may lead to increased hair loss.
1 citations
,
February 2013 High ferritin levels might be linked to chronic hair loss.
January 2020 in “International Journal of Trichology” PRP injections are not effective for long-term treatment of temporal triangular alopecia.
32 citations
,
August 2016 in “Journal of the American Academy of Dermatology” Temporal triangular alopecia is a non-scarring hair loss in children, often linked to other health conditions.
8 citations
,
October 1993 in “International Journal of Dermatology” The man's scalp infection was treated successfully, and his hair grew back.
January 2014 in “International Journal of Athletic Therapy and training” A female runner's hair loss was caused by stress from surgery and recovery, but her hair returned to normal in 5 months.
3 citations
,
February 2013 in “Bangladesh Journal of Medicine” Low iron levels are linked to hair loss in women.
2 citations
,
April 1999 in “PubMed” December 2016 in “Anales del sistema sanitario de Navarra” Frontal fibrosing alopecia is increasing, especially in postmenopausal women, and treatment with finasteride can improve it.
September 2019 in “IP Indian journal of clinical and experimental dermatology” Hormones and iron deficiency are linked to female pattern hair loss, and hair thinning patterns are similar across different types of this condition.
9 citations
,
January 2018 in “International Journal of Trichology” A woman's hair loss from graft versus host disease helps understand similar hair loss conditions.
Post-COVID-19 hair loss is not linked to vitamin D or quality of life but is linked to hair graying.
6 citations
,
January 2021 in “Journal of Nutritional Science and Vitaminology” Taking vitamin D3 pills helped improve hair growth in women with a certain type of hair loss.
November 2025 in “Medical alphabet” Physiotherapy methods can effectively stimulate hair growth in telogen alopecia.
6 citations
,
January 1992 in “Advances in Dermatology” 1 citations
,
January 1992 in “PubMed”
January 2026 in “Dermatology and Therapy” General anesthesia might be linked to certain types of hair loss, but more research is needed.
4 citations
,
November 2025 in “Nature Reviews Disease Primers” January 2024 in “Elsevier eBooks”
29 citations
,
January 2003 in “Dermatology” The condition called 'acute diffuse and total alopecia of the female scalp' is actually a known condition named alopecia areata incognita.
COVID-19 can cause significant hair loss.
January 2020 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” Frontal fibrosing alopecia in Brazil mostly affects postmenopausal women, often linked with hypothyroidism and eyebrow hair loss.
5 citations
,
October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
October 2023 in “Dermatology practical & conceptual” Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
April 2023 in “Journal of Investigative Dermatology” People who had severe COVID-19 are more likely to experience hair loss.
3 citations
,
May 2016 in “Dermatology Online Journal” Changing estrogen levels during menopause might affect genes related to body rhythms and cause increased hair loss.
25 citations
,
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.
January 2012 in “Postgraduate obstetrics & gynecology” Up to half of women by age 50 experience significant hair loss, with various types and treatments available.
April 2023 in “Media Dermato Venereologica Indonesiana” COVID-19 reinfection may trigger alopecia areata.
September 2003 in “Clinics in Family Practice” Different hair diseases affect people during childbearing years, with treatments ranging from medication to psychological support.