249 citations
,
November 2003 in “Clinical endocrinology” Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.
200 citations
,
October 2009 in “European journal of endocrinology” Metformin helps manage polycystic ovary syndrome by improving insulin resistance and ovulation, but more research is needed on its full effects.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
119 citations
,
July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
115 citations
,
August 2020 in “International Journal of Molecular Sciences” A PRP concentration of 1.0 × 10^6 plt/μL is best for tissue repair.
106 citations
,
January 2016 in “Journal of Cosmetic Dermatology” Using platelet-rich plasma with microneedling works better for acne scars than microneedling with water.
90 citations
,
August 2002 in “European journal of endocrinology” Metformin improves hair growth and menstrual frequency in women with PCOS and hirsutism.
87 citations
,
July 2012 in “Expert Review of Clinical Immunology” Pregnancy can increase lupus activity, but careful planning and treatment can improve outcomes.
80 citations
,
April 2017 in “Frontiers in Pharmacology” PDRN helps repair tissue and improve wound healing with a high safety profile.
77 citations
,
June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
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.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
66 citations
,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
57 citations
,
March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
57 citations
,
February 2013 in “Journal of Dermatological Science” Improving the environment and cell interactions is key for creating human hair in the lab.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
39 citations
,
June 2013 in “Journal of Cosmetic Dermatology” Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.
34 citations
,
December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.
33 citations
,
January 2018 in “The Journal of Clinical Endocrinology & Metabolism” Metformin improves menstrual cycles and hormone levels in women with PCOS, mostly within the first 6 months.
30 citations
,
April 2018 in “Experimental Dermatology” The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.
29 citations
,
February 2017 in “International Journal of Women's Dermatology” Women with excessive male-pattern hair growth should get a full hormone check-up to find and treat any underlying issues, considering both medical and emotional aspects.
28 citations
,
October 2013 in “Journal of The American Academy of Dermatology” Ovarian SAHA syndrome makes women with PCOS more resistant to insulin and increases their risk of blood sugar problems.
25 citations
,
April 2012 in “Acta Biomaterialia” Using certain small proteins with a growth factor and specific materials can increase the creation of neurons from stem cells.
23 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” Using defensins to activate stem cells may improve skin aging signs without causing inflammation.
19 citations
,
May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.
18 citations
,
January 2013 in “Postepy Dermatologii I Alergologii” Puberty often causes skin issues like acne and excessive sweating, and treatments require patience as results may vary.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
15 citations
,
August 2016 in “Current Urology Reports” Nandrolone and oxandrolone could help treat male health issues like muscle loss and low testosterone.
15 citations
,
January 1998 in “Journal of Clinical Periodontology” Finasteride helps treat hair loss by blocking enzyme activity.
14 citations
,
February 2016 in “Journal of Obstetrics and Gynaecology Research” Blood tests are needed to confirm high male hormone levels in women with PCOS, as physical signs alone are not reliable.