27 citations
,
April 2020 in “Molecular Biology and Evolution” Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.
26 citations
,
April 2007 in “Journal of pediatric gastroenterology and nutrition” A teenage girl with high androgen levels and PCOS developed a rare liver tumor, suggesting a possible link between high androgens and the tumor's growth.
17 citations
,
April 2010 in “Archives of Gynecology and Obstetrics” Obese women had more testosterone and less acne, but similar hair growth compared to non-obese women.
16 citations
,
February 2016 in “Gynecological Endocrinology” Indian women with PCOS from Delhi and Srinagar show different symptoms, with Delhi women having higher obesity and blood sugar issues, and Srinagar women showing more hair growth and testosterone levels.
14 citations
,
November 2016 in “Annals of Internal Medicine” Tofacitinib, an arthritis drug, helped hair growth in alopecia universalis but long-term safety needs more research.
14 citations
,
September 2007 in “Steroids” The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
14 citations
,
May 2005 in “Farmaco” A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.
5 citations
,
April 2014 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” AMH levels can't reliably tell the difference between LOCAH and all types of PCOS in women with excessive hair growth.
June 2022 in “Biomedical reports” STK11 gene variations do not predict how well metformin will work for PCOS, but may affect hair loss and excess hair growth.
April 2021 in “Journal of evolution of medical and dental sciences” Women with PCOS have higher levels of certain androgens, which are good at predicting excess hair growth.
October 1997 in “Baylor University Medical Center Proceedings” Obesity in the U.S. is largely influenced by diet and exercise, certain medications can improve heart procedures and hair growth, and major teaching hospitals have better patient outcomes.
35 citations
,
May 2021 in “Nature communications” The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
28 citations
,
November 2020 in “Journal of Controlled Release” A new hair loss treatment uses tiny needles to deliver a drug-loaded lipid carrier, promoting hair growth more effectively than current treatments.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
17 citations
,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
16 citations
,
August 2019 in “Cell Proliferation” Keratinocytes help keep hair follicle cells and skin cells separate in 3D cultures, which is important for hair growth research.
14 citations
,
October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.
7 citations
,
January 2017 in “American Journal of Biological Anthropology” Sardinians were historically short due to a mix of genetics and factors like disease and poor nutrition, but recent height increases suggest better living conditions had a bigger impact.
3 citations
,
March 2020 in “Dermatology Research and Practice” Tracnil™, a mix of myo-inositol, folic acid, and vitamin D3, safely reduced acne, improved excessive hair growth, and fixed irregular periods in overweight women with PCOS.
72 citations
,
November 2020 in “Frontiers in Surgery” L-PRF may help bone growth and healing, but more research is needed.
October 2024 in “Applied Sciences” Cell growth improved the strength of 3D bioprinted structures.
February 2019 in “Obstetrics and gynaecology cases - reviews” Women with excessive hair growth tend to have shorter index and ring fingers compared to others.
52 citations
,
January 2003 in “Journal of Investigative Dermatology” Thrombospondin-1 is crucial for hair follicle regression and reduced blood vessel growth during the catagen phase.
24 citations
,
July 1987 in “Dermatologic Clinics” Systemic diseases can cause hair loss, which is often reversible with treatment.
13 citations
,
August 2015 in “Oncology Reports” Stem cells slowed lung tumor growth but increased colon tumor growth in mice.
3 citations
,
February 2002 Low phosphorus increases root hair growth in plants, partly independent of ethylene.
1 citations
,
November 2021 in “Ultrasonography” Ultrasound boosts finasteride's hair growth effects in mice.
August 2025 in “International Journal of Cancer” Childhood and adult height, and early immune-related hospitalizations increase testicular cancer risk, while baldness, larger families, and sports reduce it.
May 2025 in “Journal of Craniofacial Surgery Open” High-intensity focused ultrasound improved hair growth in a woman with no side effects.