Vitamin D is crucial for skin health and managing skin diseases.
37 citations
,
January 2011 in “Annals of Dermatology” ALA-photodynamic therapy helps reduce acne by causing acne cell death and lowering certain skin protein levels.
42 citations
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July 2015 in “Journal of The American Academy of Dermatology” The conclusion is that oral contraceptives and antiandrogens can treat hirsutism and acne in women with cutaneous hyperandrogenism, but more research is needed for effective treatments, especially for hair loss.
39 citations
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June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
7 citations
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January 2011 in “Veterinary Pathology” A horse with severe hair loss was diagnosed with alopecia areata and a yeast infection.
2 citations
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January 2014 in “International Journal of Endocrinology” Women with a certain type of tumor had higher levels of pregnancy hormone and male hormones, which decreased after treatment.
19 citations
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January 2017 in “Hormone Molecular Biology and Clinical Investigation” High levels of male hormones are very common in women with PCOS and affect their metabolism differently depending on their weight.
4 citations
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November 2016 in “Archives of Endocrinology and Metabolism” Insulin resistance is linked to larger thyroid volume in patients with polycystic ovary syndrome.
December 2022 in “The Indian journal of chest diseases & allied sciences” Women with PCOS often have sleep problems, including sleep apnea, which are linked to obesity and depression.
19 citations
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March 1996 in “British Journal of Dermatology” Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
9 citations
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July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
January 2026 in “International Journal of Advanced Biochemistry Research” The dog improved significantly after treatment and needs lifelong thyroid medication.
10 citations
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April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
35 citations
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May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
17 citations
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August 2019 in “Archives of Cardiovascular Diseases” Low testosterone in men is a risk factor for a specific heart rhythm issue, and testosterone treatment may help prevent it.
2 citations
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November 2019 in “Case reports in women's health” Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
16 citations
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January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
December 2020 in “Journal of Skin and Sexually Transmitted Diseases” No strong link between testosterone or DHEAS levels and acne or hair loss in females.
March 2025 in “Frontiers in Veterinary Science” Changing light exposure boosts hormone levels and antioxidant activity, improving cashmere growth in goats.
22 citations
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January 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” A new method accurately measures nine specific hormones in human blood.
34 citations
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July 2006 in “Clinics in dermatology” Endocrine diseases in dogs often cause skin problems, with hypothyroidism and hyperadrenocorticism being common and leading to hair loss and infections.
Applying thyroid hormones to the scalp can help hair grow.
4 citations
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January 2019 in “PubMed” Patterned hair loss in women is linked to hormonal imbalances and biochemical changes, and should be evaluated for underlying health issues.
4 citations
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March 2018 in “Systems biology in reproductive medicine” Men born very underweight had higher estrogen levels but normal reproduction compared to normal birth weight men.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
August 2023 in “Tzu Chi Medical Journal” Iron deficiency is the main cause of hair loss in women, and iron supplements started within 6 months can improve hair health.
19 citations
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January 2015 in “Journal of Clinical and Diagnostic Research” The main causes of diffuse hair loss in women are telogen effluvium and androgenetic alopecia, often related to stress and iron deficiency.
5 citations
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January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.