19 citations
,
February 2018 in “International Journal of Endocrinology and Metabolism” The questionnaire is valid and reliable but needs more testing for future predictions.
18 citations
,
October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
May 2026 in “Frontiers in Medicine” Androgenetic alopecia is linked to factors like age, family hair loss history, diet, and health conditions.
January 2023 in “Springer eBooks” New understanding of hair loss could lead to better treatments.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
13 citations
,
November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
Stress can cause hair loss and trigger autoimmunity by damaging hair follicle cells.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Men are increasingly seeking quick-result cosmetic treatments for their thicker, oilier skin and hair loss issues.
April 2016 in “Journal of Aesthetic Nursing” Men are increasingly removing body hair for looks and cleanliness, and while hair loss can cause distress, it doesn't affect their self-esteem as much as it does in women.
January 1983 in “Elsevier eBooks” Cyproterone acetate is used to treat conditions like prostate cancer, early puberty, excessive sexual drive, and female androgenization by affecting androgen functions and suppressing certain hormones.
51 citations
,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
January 2018 in “Elsevier eBooks” The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.
204 citations
,
May 2014 in “The Journal of Sexual Medicine” Hormone therapy for trans individuals is effective and generally safe in the short term.
January 2016 in “Human & Experimental Toxicology” A specific DNA sequence caused hair loss in male mice by activating immune cells and increasing a certain immune signal.
22 citations
,
February 2002 in “Clinics in Geriatric Medicine” Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.
January 2025 in “Applied Sciences” Sulforaphane from broccoli may help treat certain cancers, hormone issues, and hair loss.
56 citations
,
February 2010 in “PLOS ONE” Blocking Wnt signaling in young mice causes thymus shrinkage and cell loss, but recovery is possible when the block is removed.
January 2025 in “Scholarly Commons (University of Pennsylvania)” UTX is important for skin health and its loss can lead to skin issues, especially in females.
March 2004 in “Current Sexual Health Reports” Testosterone's role in women's sex drive is unclear and needs more research, as low levels don't always mean less sexual interest and high levels can cause side effects.
Certain genes may influence hair loss differently in men and women.
January 1977 in “Case Reports in Medicine” Steroid cell tumors in the ovary are rare, can produce testosterone causing symptoms, and are mainly treated with surgery.
3 citations
,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
80 citations
,
April 2018 in “Trends in Molecular Medicine” Lichen Planopilaris and Frontal Fibrosing Alopecia may help us understand hair follicle stem cell disorders and suggest new treatments.
60 citations
,
April 2012 in “Physiology” The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.
6 citations
,
September 1998 in “The Journal of The British Menopause Society” Testosterone replacement may help postmenopausal women with sexual function and bone density, but suitable treatments are limited.
A high-fat diet caused severe health problems in female macaques but was reversible with a normal diet, while male macaques reacted differently.
5 citations
,
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.
31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
25 citations
,
May 2009 in “International Journal of Dermatology” About one-third of dermatology patients in Ankara, Turkey use unconventional treatments for skin issues.