January 2018 in “Journal of translational science” Eating alfalfa sprouts every day can raise testosterone levels in middle-aged men, but broccoli sprouts don't have this effect.
December 2014 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Low-level light therapy significantly increased hair density and thickness in people with hair loss, but they didn't notice a difference.
October 2025 in “Aquaculture” Coconut oil boosts testosterone but doesn't fully trigger reproductive maturity in pufferfish.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
January 2016 in “American Journal of Clinical and Experimental Medicine” Lower zinc levels in hair are linked to more severe male pattern baldness, but blood zinc levels don't show this link. Age also increases baldness severity.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
May 2023 in “GLOBAL JOURNAL FOR RESEARCH ANALYSIS” Early onset hair loss is linked to low vitamin D, but severity isn't related to vitamin D levels.
January 2023 in “Radiation and Risk Bulletin of the National Radiation and Epidemiological Registry” Cows can safely graze after a nuclear incident if iodine exposure is managed, as doses below 30 Gy don't harm them long-term.
25 citations
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October 2022 in “Ophthalmic Research” Red light therapy temporarily increased blood flow in the eye but didn't change other eye structures.
2 citations
,
January 2007 in “Journal of Fashion Business” Most people with hair loss haven't used treatment products and are only somewhat satisfied with their options, highlighting a need for better management programs and marketing.
July 2023 in “International journal of research publications” Green coffee bean extract didn't grow hair but reduced a hair loss-related enzyme in rats.
March 2019 in “European Urology Supplements” Some common medications like metformin, insulin, and ACE inhibitors can lower PSA levels, while statins don't, and low dose finasteride significantly reduces PSA.
January 1986 in “Journal of Steroid Biochemistry” Women with severe acne, hirsutism, and androgenic alopecia often have higher levels of certain androgens, but the specific pattern can't be predicted just by looking at symptoms.
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.
September 2018 in “Fertility and Sterility” High levels of testosterone and anti-Müllerian hormone before pregnancy are linked to a higher risk of newborns needing intensive care.
58 citations
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
24 citations
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January 1985 in “Dermatology” Higher levels of certain immune cells in hair follicles may contribute to alopecia areata.
3 citations
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October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
52 citations
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June 2013 in “The Journal of Clinical Endocrinology and Metabolism” The research found that anovulatory young women have higher androgen and hormone levels than those who ovulate, suggesting immature hormonal regulation rather than a specific condition.
4 citations
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April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
Lower DHT and higher testosterone levels increase brain activation but don't change behavior in heavy drinkers.
July 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Assessing CD8+ T cell levels before surgery may improve vitiligo treatment outcomes.
18 citations
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May 2010 in “Zentralblatt für Veterinärmedizin Reihe A” Hair zinc levels don't reliably indicate overall zinc status in animals.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Vitamin A levels don't significantly affect alopecia areata.
November 2025 in “Healthcare” Zinc levels don't significantly affect hair loss, so testing for zinc isn't necessary.
26 citations
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September 2013 in “Journal of Dermatological Science” Serum granulysin levels can indicate the activity and prognosis of alopecia areata.
21 citations
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September 2017 in “Journal of Obstetrics and Gynaecology Research” Chromium supplements don't improve insulin, hormone levels, or cholesterol in women with PCOS but raise testosterone levels.
10 citations
,
June 1998 in “PubMed” Finasteride significantly reduces DHT levels in male dogs without affecting testosterone levels, suggesting it could be used to treat benign prostatic hypertrophy in dogs weighing 10 to 50 kilograms.
8 citations
,
April 1988 in “Journal of endocrinological investigation” Topical spironolactone cream doesn't cause hormone-related side effects in the body.
2 citations
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June 2017 in “Journal of The American Academy of Dermatology” The type of PCOS a woman has doesn't strongly predict her skin or metabolic symptoms; obesity is a more important factor.