506 citations
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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.
71 citations
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January 2014 in “Journal of Proteome Research” Women with PCOS have different levels of certain fats and proteins in their blood, which could help diagnose the condition.
62 citations
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January 2013 in “Skin Pharmacology and Physiology” Low iron and vitamin D levels are linked to hair loss in women.
46 citations
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April 1971 in “American Journal of Clinical Nutrition” Lack of protein causes hair root damage, but it can be reversed by eating protein again.
36 citations
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October 2008 in “European journal of paediatric neurology” Valproic acid treatment may cause temporary hair loss due to reduced zinc and biotinidase levels, which tend to normalize after 6 months.
24 citations
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January 2012 in “Indian Journal of Dermatology, Venereology and Leprology” Diffuse alopecia areata involves more inflammation and higher allergy-related antibodies than patchy types.
22 citations
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September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
16 citations
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May 2009 in “Journal of child neurology” Valproic acid does not change biotinidase enzyme activity in children's blood.
15 citations
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January 2018 in “Indian Journal of Dermatology” Women with androgenetic alopecia have lower zinc and iron levels.
7 citations
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September 2024 in “Scientific Reports” Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.
5 citations
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October 2016 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Women with PCOS may have a higher risk of respiratory and ear infections due to slower nasal mucociliary clearance.
4 citations
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January 2022 in “Australasian Journal of Dermatology” Higher HDAC1 levels in alopecia areata suggest HDAC inhibitors might help treat it and acne.
2 citations
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April 2021 in “International Journal of Pharmaceutics” Serum formulations were better at delivering molecules to the hair bulb than nanoparticles.
1 citations
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August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
1 citations
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October 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Low serum ferritin levels are linked to more severe and longer-lasting alopecia areata in children.
1 citations
,
September 2019 in “Journal of cosmetic dermatology” Lead and selenium levels don't cause premature graying.
1 citations
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July 2012 in “Nasza Dermatologia Online” IL-1α levels are higher in alopecia areata patients, suggesting a role in the disease.
December 2025 in “Bioengineering” Sebum is essential for skin health but can cause acne if unbalanced.
November 2025 in “Open Access CRIS of the University of Bern” Androgen levels are more linked to body size in boys than girls.
February 2025 in “Eduvest - Journal Of Universal Studies” Kepok banana peel extract serum at 30% concentration effectively promotes hair growth.
May 2024 in “International journal of research in dermatology” Low vitamin D levels are linked to increased risk of male pattern baldness.
October 2023 in “Benha Journal of Applied Sciences” Serum clusterin may play a key role in the inflammation and immune response in post-adolescent acne.
July 2022 in “Dermatology Reports” Low zinc levels might be linked to worse outcomes in various skin disorders.
July 2018 in “Journal of College of Medical Sciences-nepal” Women with certain types of hair loss may have low iron levels.
January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
January 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with androgenetic alopecia do not have elevated DHEA-S levels.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
22 citations
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August 2013 in “Experimental Dermatology” EGFR hyperactivation increases sebaceous gland size and sebum production in mice.
6 citations
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May 2019 in “Journal of pharmaceutical sciences” Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.