69 citations
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May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
March 2025 in “Clinical Cosmetic and Investigational Dermatology” The Tru9I variant in the VDR gene may influence alopecia areata risk and vitamin D levels.
54 citations
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January 2012 in “Vitamins & Trace Elements” People with Alopecia Areata have lower vitamin D levels.
The conclusion is that there's a link between high testosterone levels, insulin resistance, and certain skin conditions, regardless of obesity.
26 citations
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December 2020 in “International Journal of Molecular Sciences” Treatments for PCOS aim to reduce androgen levels and improve insulin sensitivity to lower cardiometabolic risk.
February 2024 in “Heliyon” People with androgenetic alopecia have different lipid levels in their blood, which vary between men and women, and may be linked to a higher risk of metabolic syndrome.
65 citations
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April 2018 in “Oncotarget” Anabolic androgenic steroids can increase cancer risk and disrupt hormones.
32 citations
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January 2022 in “International Journal of Molecular Sciences” Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.
1 citations
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February 2023 in “International Journal of Molecular Sciences” Melatonin, the sleep hormone, can help treat skin conditions like dermatitis, hyperpigmentation, and scalp disorders, and may also aid in skin aging prevention and regeneration. However, it's not recommended for asthma due to its pro-inflammatory effect.
April 2022 in “Authorea (Authorea)” CT scans can find serious prostate cancer even when PSA levels are low.
April 2020 in “Arquivo Brasileiro De Medicina Veterinaria E Zootecnia” A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.
January 2021 in “Menoufia Medical Journal” People with early-onset androgenetic alopecia may have a higher risk of heart disease due to abnormal blood lipid levels.
1 citations
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May 2012 in “Hair transplant forum international” Hair loss in men may be caused by inflammation triggered by hormones, and treatments reducing inflammation could potentially promote hair growth.
24 citations
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April 2013 in “PLOS ONE” TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.
15 citations
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March 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.
7 citations
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September 2017 in “Biomedical and Pharmacology Journal” Growth factors greatly affect hair loss, with different levels seen in men, women, younger patients, and at the start of the condition.
131 citations
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September 2017 in “Molecular and Cellular Endocrinology” The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.
11 citations
,
May 2021 in “Journal of Ovarian Research” Africa's low COVID-19 rates may be linked to early measures and possibly higher estrogen levels in women.
21 citations
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December 2023 in “Journal of Investigative Dermatology” Hair graying is caused by damage and cell depletion but might be temporarily reversible with drugs and hormones.
August 2025 in “Animal nutrition” α-Ketoglutaric acid improves hair growth, rabbit performance, and antioxidant levels.
January 2023 in “Theranostics” A patch with curcumin-zinc can improve hair growth and health by delivering beneficial particles to the skin, increasing hair follicles, and reversing effects of a hair loss hormone.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.
1 citations
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November 2021 in “American Journal of Clinical Pathology” The conclusion is that certain physical signs in the body can indicate past acute and chronic stress, which may help in child abuse investigations.
3 citations
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November 2022 in “Experimental dermatology” Melatonin may inhibit melanoma growth and has potential as a cancer therapy aid, but its effects on human skin pigmentation need more research.
4 citations
,
September 2006 in “European Urology Supplements” Dutasteride reduces DHT and improves BPH symptoms more effectively than finasteride.
2 citations
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January 2001 in “Humana Press eBooks” Pseudo-Cushing's symptoms disappear once the underlying issue is resolved.
January 2026 in “Immunological Reviews” Females generally have stronger immune responses than males due to the X chromosome.
5 citations
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April 2024 in “ACS Chemical Neuroscience” A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
104 citations
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June 2020 in “Journal of Endocrinology” Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
27 citations
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February 2023 in “Frontiers in Cell and Developmental Biology” WNT10B is important for body functions and linked to diseases like osteoporosis, obesity, and cancer.