August 2014 in “Journal of The American Academy of Dermatology” Obesity is linked to more severe hair loss in adult men and to excess hair growth, but its effects on hair conditions are complex and need more research.
May 2003 in “Journal of Investigative Dermatology” The meeting covered advances in understanding hair growth, causes of hair loss, and potential treatments.
2 citations
,
May 2011 in “International Journal of Dermatology” A 12-year-old boy in rural south India had a rare skin condition causing hair loss and inability to sweat.
12 citations
,
July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
1 citations
,
January 2008 2 citations
,
April 2015 in “Journal of Evolution of Medical and Dental Sciences” Most hypothyroid patients experience dry skin and swelling.
June 2015 in “Obstetrics, gynaecology and reproductive medicine” Hirsutism, excessive hair growth in women, is often caused by polycystic ovarian syndrome and is treated by targeting the cause, lifestyle changes, and medication.
75 citations
,
September 1985 in “Archives of dermatology” Two boys had a rare skin condition needing to be differentiated from similar disorders, with unclear inheritance due to few cases.
Thyroid problems can cause hair loss and change hair texture.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
1 citations
,
July 2008 in “Expert Review of Dermatology” Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.
42 citations
,
September 2000 in “British Journal of Dermatology” Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
January 1962 in “Archives of Dermatology” A 5-year-old girl has lipoid proteinosis, causing voice issues, hair thinning, skin lesions, and tongue movement problems.
July 2025 in “Journal of Investigative Dermatology” Androgens reduce THY1 in skin cells, leading to less fat, more fibrosis, and worse healing in males.
2 citations
,
November 2011 in “Pediatric dermatology”
May 2023 in “The journal of sexual medicine” Ovarian Hyperthecosis caused hypersexuality in an older woman and was successfully treated with surgery.
9 citations
,
March 2001 in “Clinics in dermatology” Hirsutism in women is often due to hormone sensitivity and has significant psychological effects.
11 citations
,
July 1968 in “JAMA” Itching can be an early sign of hyperthyroidism.
January 2015 in “International Journal of Research in Medical Sciences” A patient with HAIR-AN syndrome, PCOS, and Hashimoto's thyroiditis improved with early diagnosis and treatment to prevent serious health problems.
3 citations
,
April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
7 citations
,
August 2008 in “Immunogenetics” A gene mutation in mice causes increased mast cells and disorganized hair follicles in their skin.
3 citations
,
January 2019 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Idiopathic hirsutism is the most common cause, followed by PCOS, and insulin resistance should be checked in patients with acanthosis nigricans.
1 citations
,
October 2018 in “International Journal of Research in Dermatology” Most women with excessive hair growth in South India have hirsutism without a known cause, with common facial hair growth and some showing hormonal imbalances and polycystic ovaries.
11 citations
,
February 1980 in “BMJ. British medical journal” Hirsutism is common body hair growth due to genetics and hormones, and while not a disease, it can be distressing; virilisation includes hirsutism with other male traits and needs medical attention.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
May 2006 in “Women's Health Medicine” Excessive hair growth in women, often from high androgen levels, is usually caused by PCOS, and can be treated with hair removal, medication, and possibly weight loss.
175 citations
,
December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
2 citations
,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.