51 citations
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March 1986 in “Acta Dermato Venereologica” Alopecia patients had similar element levels to normal people, except for differences in copper and low selenium.
1 citations
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August 2012 in “Journal of Emerging Trends in Engineering and Applied Sciences” Smoking and alcohol may cause early hair loss by altering trace elements.
May 2024 in “Journal of trace elements in medicine and biology” Overweight or obese women before pregnancy have lower iron levels in their serum and hair during early pregnancy.
186 citations
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February 1980 in “Clinical Endocrinology” During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.
44 citations
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June 2018 in “Journal of Visualized Experiments” A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.
2 citations
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September 2008 in “Fertility and Sterility” Clinical signs of excess male hormones and actual hormone levels in the blood do not always match in women with polycystic ovary syndrome.
January 2024 in “Biological trace element research” Isotretinoin affects trace element levels and requires monitoring of liver and kidney functions.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
February 2019 in “Journal of Pakistan Association of Dermatology” Many men with male pattern baldness have abnormal blood fat levels, which may raise their risk of heart disease.
2 citations
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January 2016 in “US Endocrinology” Scalp hair thinning in women with PCOS is linked to metabolic issues like abnormal glucose tolerance, high LDL, and skipped meals.
1 citations
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February 2005 in “OakTrust (Texas A&M University Libraries)” Diet B improved dogs' skin and hair condition.
Raising serum ferritin levels can improve symptoms like fatigue and hair loss, even if hemoglobin levels are normal.
491 citations
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July 2000 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovary syndrome is found in 6.5% of unselected Caucasian women in Spain.
93 citations
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June 2001 in “The Journal of Clinical Endocrinology and Metabolism” Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.
20 citations
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May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
11 citations
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November 2006 in “Journal of Veterinary Diagnostic Investigation” An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
9 citations
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January 2013 Alopecia areata patients have lower zinc, copper, and selenium levels than healthy people.
5 citations
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May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
2 citations
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May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
2 citations
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April 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The conclusion is that analyzing RNA from skin oils is a promising way to understand skin diseases.
January 2023 in “International journal of clinical medicine” Women with PCOS and hair loss have lower levels of the protein gelsolin in their blood.
19 citations
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April 2018 in “Clinical cardiology” Older men with low levels of a testosterone byproduct had a higher chance of developing an irregular heartbeat.
104 citations
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October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
76 citations
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December 1997 in “Fertility and Sterility” Finasteride reduces hair growth better, but spironolactone has more side effects.
36 citations
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November 2009 in “European Radiology” The study found that women with PCOS have more and larger ovarian follicles and differences in ovarian structure, but these features alone can't always diagnose PCOS.
26 citations
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May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
19 citations
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October 2019 in “BMC Neuroscience” Blood hormone levels don't accurately show brain hormone levels in males.
14 citations
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January 1990 in “Fertility and Sterility” Some patients with high prolactin levels don't show symptoms because they have a form of the hormone that's less active.
8 citations
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January 2024 in “Journal of Human Reproductive Sciences” Women with PCOS have lower zinc levels.
7 citations
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December 2014 in “Journal of dermatology” Hair shaft miR-221 levels can help detect malignant melanoma.