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This study found high levels of toxic heavy metals in water sources of mining communities in Abakaliki, Nigeria, posing potential health risks including Parkinson's and Alzheimer's diseases.

This study suggests that cerebrospinal fluid levels of the neurosteroids allopregnanolone and pregnanolone correlate negatively with PTSD and negative mood symptoms, with potential sex-specific differences in synthesis enzyme blocks.

This study found that free testosterone levels were a more sensitive indicator of hyperandrogenism in women with acne than total testosterone levels.

This study found that serum vaspin levels were elevated in women with polycystic ovary syndrome compared to controls, but treatment with metformin or weight loss did not significantly change these levels.

This study found that women with female pattern androgenic alopecia have significantly higher levels of certain androgens and androgen sulfates compared to normal premenopausal women, suggesting markers for diagnosis and treatment efficacy.

This review discusses the role of androgens in menopausal women's health, highlighting symptoms of both hyperandrogenemia and androgen deficiency, but reports no clinical results.

This study demonstrated that mink hair growth and pelt quality significantly depend on dietary protein levels and DL-methionine supplementation during the growing-furring period.

This study observed that ethyl glucuronide (EtG) concentrations in hair decreased significantly during an abstinent period, suggesting possible wash-out effects or other factors affecting EtG levels.

This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.

This study reported significantly lower levels of serum iron, ferritin, and calcium in young patients with premature gray hair compared to controls, implying that supplementation might prevent further graying.

This study found that miR-221 levels in hair shafts were significantly higher in malignant melanoma patients compared to controls, suggesting potential as a non-invasive screening marker.

This study found that redheaded individuals had higher levels of vitamin D precursor 25(OH)D3 compared to non-redheaded individuals, suggesting a physiological adaptation to low UVB radiation in Europe.

This study found that restoring hypothalamic NPY levels in mice delayed aging-related characteristics such as fat loss, hair loss, and memory decline, suggesting that maintaining these levels could be important for counteracting aging and its effects.

This study found that renin and d-dimer levels were significantly higher in PCOS patients, particularly those also infected with COVID-19, compared to non-PCOS women.

This study observed a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting that serological tests could help diagnose subclinical celiac disease in these patients, with IgA and IgG showing 100% sensitivity and specificity at specific cutoff points.

In this study, GERD symptoms were found to be significantly related to acid exposure time and the intensity of excessive daytime sleepiness, which depends on circulating ghrelin levels.

This study found a significant association between lower vitamin D levels and increased severity of androgenetic alopecia in men.

This study suggests that foods and drugs containing sulfhydryl groups may induce or worsen pemphigus vulgaris.

This study found that plasma cardiac troponin I levels were highest in subjects with alopecia areata, potentially indicating increased heart remodeling and a need for close cardiovascular monitoring in these individuals.

This article is a letter discussing variations in male sex hormone levels among different pattern subtypes of androgenetic alopecia and does not present new research results.

This study determined that the upper normal cut-off levels for free testosterone, dehydroepiandrosterone sulfate, and total testosterone among reproductive-age women in China are 26 pmol/L, 4.92 μmol/L, and 2.39 nmol/L, respectively.

In this study, patients with androgenetic alopecia showed no difference in insulin resistance or prevalence of metabolic syndrome but had higher cardiovascular risk due to increased inflammatory markers and lipoprotein(a) levels.

This study found that dermal papilla cells from balding scalp hair follicles have significantly higher levels of androgen receptors than those from non-balding follicles, supporting their in vivo androgen response.

This study found that women with female pattern hair loss had increased 5α-reductase isozymes and decreased aromatase mRNA levels, potentially affecting their response to treatment.

This study found that men with early-onset androgenetic alopecia and certain risk factors may have worse gonadal steroidogenesis and an increased likelihood of developing gonadal dysfunction, suggesting a male equivalent of polycystic ovarian syndrome.

This study observed that adding simvastatin to ongoing metformin treatment reduced certain androgen levels in women with non-classic congenital adrenal hyperplasia and abnormal glucose metabolism, suggesting a potential therapeutic benefit.

This study found that among men over 70, certain genetic variants associated with skin pigmentation affect serum PSA levels, with implications for how sun sensitivity and exposure may influence prostate cancer risk.

This study found that patients with age-related cataracts had significantly lower levels of manganese, selenium, vanadium, and zinc in their serum compared to healthy controls, with low serum selenium and zinc levels showing an independent association with an increased risk of cataracts.

This review discusses how sex hormone levels and local steroid synthesis influence gender differences in aging skin, reporting no new clinical results.

This letter reports on the impact wigs may have on the perceived quality of life in patients with androgenetic alopecia.