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research Prevalence and Levels of Thyroid Autoantibodies in Polycystic Ovary Syndrome—Impact of TSH- and BMI-Matched Comparisons: A Systematic Review and Meta-Analysis

3 citations , August 2025 in “International Journal of Molecular Sciences”

This study found that women with PCOS have significantly higher prevalence and levels of thyroid autoantibodies, with these elevated levels suggesting a potential independent autoimmune activation associated with PCOS.

research Evaluation of Anxiety and Levels of Serum B12, Folate, TSH, Ferritin, and Zinc in Telogen Alopecia Patients with Trichodynia

10 citations , January 2012 in “International Journal of Trichology”

This study found no significant association between serum levels of vitamin B12, folate, TSH, ferritin, zinc, or anxiety scores and trichodynia in telogen alopecia patients.

research Investigation Of Serum Level Of T4, TSH, Free Testosterone And Prolactin Hormones As Well As Alb And SHBG Proteins In Women With Hair Loss Vs. Those Without Hair Loss

May 2013 in “DOAJ (DOAJ: Directory of Open Access Journals)”

This study found that women with hair loss had significantly higher free testosterone levels compared to those without hair loss.

The Association Between the Levels of Ferritin, TSH, Zinc, Hemoglobin, Vitamin B12, Vitamin D and Hair Loss Among Different Age Groups of Women: A Retrospective Study

research The association between the levels of Ferritin, TSH, Zinc, Hb, vitamin B12, vitamin D and the hair loss among different age groups of women: A retrospective study

1 citations , January 2021 in “International journal of pharmaceutical research”

This study found that reduced levels of ferritin, TSH, and hemoglobin in young women and lower TSH, vitamin B12, and vitamin D in older women are associated with chronic diffuse hair loss.

Evaluation of the Relationship of Digital Phototrichogram Findings with Blood TSH, Ferritin, and Vitamin B12 Levels in Patients with Diffuse Hair Loss

research Evaluation of the relationship of digital phototrichogram findings of patients with diffuse hair loss with blood TSH, ferritin and vitamin B12 levels

January 2024 in “İstanbul Kuzey Klinikleri”

This study found that low ferritin levels are associated with higher telogen ratios in women with diffuse hair loss, suggesting an important role of ferritin in telogen effluvium diagnosis.

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Community Join

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community My hair is thinning due to Ashwagandha, think it's due to increased TSH.

4 upvotes 3 years ago

Ashwagandha may cause hair thinning due to increased TSH levels, suggesting a link to hypothyroidism. Users are advised to consult a doctor for proper evaluation.

community Are these safe levels to start taking Finasteride (M, 25)?

8 upvotes 3 years ago

The conversation discusses concerns about starting finasteride with low testosterone levels, with one person suggesting finasteride might increase testosterone and decrease DHT, and another advising to pay attention to thyroid-stimulating hormone (TSH) levels.

community Did these tests—any of these linked to diffuse thinning?

5 upvotes 1 year ago

A 25-year-old male experiencing diffuse thinning is advised to address high TSH levels and low iron, and consider treatments like finasteride. Weight loss and improved diet are also suggested to potentially help with hair health.

community Creatine, my hair loss, and my DHT levels. An anecdote with lab values.

165 upvotes 1 year ago

Increased hair loss after starting a 10g daily creatine regimen, possibly linked to elevated DHT levels despite dutasteride use. Stopping creatine reduced shedding, but the exact cause is uncertain, with discussions on exercise and lifestyle impacts.

community Low testosterone and dht. What should I do?

in Finasteride/Dutasteride 7 upvotes 2 years ago

The user has low testosterone and DHT levels and is considering taking finasteride for Norwood 2 hair loss with diffuse thinning. They are seeking advice on whether low DHT indicates high sensitivity to DHT in the scalp and opinions on their lab values.

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