March 2014 in “Journal of The American Academy of Dermatology” Vitamin D deficiency is common in temporary hair loss, and stress is often a suspected cause.
506 citations
,
March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
83 citations
,
April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
78 citations
,
August 2012 in “Human molecular genetics online/Human molecular genetics” A new gene, JMJD1C, may affect testosterone levels in men.
62 citations
,
January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
60 citations
,
December 2005 in “Biomedical Papers” Hair analysis can detect drug use but requires careful interpretation due to its complexity.
48 citations
,
January 2018 in “Scientific Reports” Hair analysis can reveal metabolic changes and potential pregnancy complications.
47 citations
,
June 2015 in “Medicines” Panax ginseng is generally safe with mild side effects and may have health benefits, but more research is needed.
44 citations
,
April 2008 in “The Journal of Clinical Endocrinology & Metabolism” Women with PCOS have similar levels of certain proteins compared to women without PCOS, and these proteins don't independently cause PCOS.
30 citations
,
August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
29 citations
,
March 2010 in “Journal of Endocrinological Investigation” Lipocalin-2 levels are higher in women with PCOS and may indicate insulin resistance.
26 citations
,
January 2013 in “BMJ Open” Severe baldness on the top of the head is linked to a higher chance of heart disease, especially in men under 60.
25 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
24 citations
,
April 2020 in “Cells” DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.
23 citations
,
June 1999 in “Clinical Therapeutics” Finasteride is a cost-effective option for treating BPH, reducing risk of urinary issues and surgery.
20 citations
,
June 2019 in “Experimental Dermatology” The research suggests that autophagy-related genes might play a role in causing alopecia areata.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
19 citations
,
May 1979 in “Archives of internal medicine” Minoxidil effectively lowers blood pressure and initially increases plasma renin activity without raising aldosterone levels.
17 citations
,
June 2017 in “Journal of pharmaceutical sciences” Researchers developed a nanomedicine for acne treatment that delivers medication with less irritation and is non-irritating for oily skin.
17 citations
,
January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
14 citations
,
January 2020 in “Advances in Dermatology and Allergology” Higher interleukin-15 levels are linked to more severe alopecia areata, but not to age or gender.
12 citations
,
September 2021 in “Stem Cell Reviews and Reports” StemMACS media is better for growing therapeutic stem cells than PowerStem media.
10 citations
,
May 2017 in “PLOS ONE” Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.
10 citations
,
January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
10 citations
,
December 1996 in “Fertility and Sterility” Women with acne have lower levels of a specific hormone marker than women without acne.
8 citations
,
March 2020 in “Aesthetic Plastic Surgery” Finasteride and minoxidil together safely and effectively increase hair growth and density for androgenetic alopecia.
8 citations
,
January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
8 citations
,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.
6 citations
,
May 2016 in “Urolithiasis” Balding and low testosterone increase risk of urinary stones.