Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
January 2016 in “International archives of medicine” Hair coloring is strongly linked to hair damage and scalp problems.
11 citations,
September 2012 in “Chinese science bulletin/Chinese Science Bulletin” Hair mineral content can help diagnose certain common illnesses.
4 citations,
July 2001 in “Personality and Individual Differences” Men with moderate hair loss had the best spatial thinking, and long-term DHT might affect cognition.
3 citations,
March 2022 in “Annals of Medicine” Hair shedding after COVID-19 is more linked to the disease's severity and inflammation rather than hormones, with women at higher risk.
48 citations,
January 2002 in “Dermatology” Hair pain is more common in women with hair loss, but it's not linked to the cause or severity of hair loss.
21 citations,
January 2005 in “Skinmed” Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.
18 citations,
May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
13 citations,
June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
6 citations,
December 2018 in “Medical principles and practice” Using hair dye may slightly increase the risk of non-Hodgkin's lymphoma, especially with long-term use.
1 citations,
December 2018 in “Journal of Cosmetic Dermatology” Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.
January 2024 in “İstanbul Kuzey Klinikleri” Low ferritin levels are linked to increased hair loss; no link found between vitamin B12, TSH levels, and hair loss.
July 2011 in “Hair transplant forum international” No clear evidence links green tea to hair loss through iron deficiency.
July 2024 in “Clinical Cosmetic and Investigational Dermatology” Certain immune cells are linked to non-scarring hair loss, suggesting potential for immune-targeted treatments.
2 citations,
January 2022 in “Annals of Dermatology” Treatment type and patch size affect hair regrowth patterns in alopecia areata.
207 citations,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
62 citations,
December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
7 citations,
October 2017 in “The Prostate” Baldness in men with prostate cancer is linked to higher levels of certain sex hormones, but chest hair density is not.
2 citations,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
September 2023 in “Bioscience, biotechnology, and biochemistry” Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
September 2022 in “International Journal of Trichology” Trichoscopic measurements help determine the severity of female pattern hair loss.
3 citations,
June 2021 in “Journal of affective disorders” Hair cortisol and cortisone levels may affect how work stress influences depression in Chinese fishermen.
13 citations,
January 2015 in “International Journal of Trichology” Higher lead and cadmium, and lower zinc and iron levels in the blood might be linked to chronic hair loss in women.
75 citations,
May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
12 citations,
April 2008 in “Indian Journal of Dermatology” There's no significant relationship between hair loss (androgenetic alopecia) and demodex infestation.
May 2023 in “Journal of contemporary medicine” Using Favipiravir, a COVID-19 treatment drug, likely doesn't cause hair loss.
August 2020 in “International Journal of Clinical Practice” No link between hair loss and blood groups or Rhesus factor.
100 citations,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
79 citations,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
70 citations,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.