January 2012 in “Faculty of Health; Institute of Health and Biomedical Innovation” Early-onset hair loss is linked to Parkinson's disease and decreased fertility.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
50 citations
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November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
16 citations
,
June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
7 citations
,
September 2014 in “PubMed” People with androgenetic alopecia (hair loss) may have a higher risk of developing metabolic syndrome.
2 citations
,
January 2018 in “Australasian Medical Journal” Men with male pattern baldness have a higher chance of heart disease, especially if they're younger or have severe baldness; no link was found with another type of baldness called alopecia areata.
November 2025 in “Frontiers in Psychiatry” People with androgenetic alopecia often experience more anxiety, depression, and lower self-esteem.
2 citations
,
October 2023 in “Dermatology practical & conceptual” More research is needed to understand hair and scalp disorders in people with skin of color.
3 citations
,
February 2022 in “Journal of Dermatological Science” Early onset female hair loss is linked to lower hair density, scalp issues, and certain genetic factors.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
January 2016 in “Renal Failure” Kidney stones and hair loss are significantly related in people under 60 years old.
62 citations
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April 2013 in “Steroids” PCOS symptoms change with age; younger women have higher androgen levels and less metabolic issues, while older women face more metabolic challenges despite milder PCOS symptoms.
Androgenetic alopecia in young males leads to lower self-esteem, increased anxiety, and higher depression risk.
September 2014 in “Aktuelle Dermatologie” The symposium concluded that environmental factors significantly contribute to skin aging.
January 2007 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Certain hairstyles in an urban South African township are linked to specific scalp disorders.
1 citations
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January 2017 in “Endokrynologia Pediatryczna” PCOS negatively affects self-esteem and social functioning in adolescent girls.
32 citations
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April 2016 in “Journal of Obstetrics and Gynaecology Research” Women with severe types of PCOS are more likely to have metabolic syndrome, and belly fat is a key predictor of this risk.
16 citations
,
January 2012 in “Indian Journal of Endocrinology and Metabolism” The document suggests that there might be an autoimmune link between polycystic ovary syndrome and Graves' disease.
11 citations
,
November 2017 in “Electronic physician” Depression severity is not linked to PCOS markers like BMI, insulin resistance, or testosterone levels.
1 citations
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December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
April 2024 in “Brazilian Journal of Health Review” COVID-19 may trigger hair loss in some people.
November 2020 in “Journal of The American Academy of Dermatology” Men with male pattern baldness may be more at risk for severe COVID-19, and anti-androgen treatments could offer protection.
34 citations
,
June 2007 in “The Journal of Dermatology” Most Korean systemic lupus erythematosus patients experienced hair loss, often as non-scarring diffuse hair loss, with non-scarring patch alopecia also common.
4 citations
,
March 2020 in “BMC Research Notes” Skin tags in obese individuals may indicate higher cardiovascular risk.
8 citations
,
June 2020 in “Dermatologic Therapy” Hair loss lowers quality of life, causing embarrassment, frustration, and sexual rejection.
February 2023 in “EAS Journal of Medicine and Surgery” Most Idoma people have a curved hairline due to genetics.
November 2023 in “Curēus” Higher stress levels are linked to more skin problems, especially in young women.
10 citations
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March 2018 in “Anais Brasileiros De Dermatologia” More hair loss leads to higher risk of psychosexual disorders, especially in women.
March 2026 in “IP Indian Journal of Clinical and Experimental Dermatology” Wrinkles, dry skin, and hair changes are common in elderly skin, while infections and eczema are also prevalent.
7 citations
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September 2020 in “Journal of Cosmetic Dermatology” Smoking increases early hair loss risk in men; quitting may help prevent it.