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This study found that some synthesized 17-oximino-5-androsten-3β-yl esters demonstrated stronger cytotoxicity and antiandrogenic activity against prostate cancer cells than finasteride.

This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.

This study found that using a low-level light therapy helmet device daily for 24 weeks improved hair density and thickness among participants, though it did not significantly impact sebum secretion or erythema index.

This study found that sensitive scalp is characterized by increased pH levels, redness, altered sebum composition, and a disrupted microbiome, suggesting these features could inform treatment approaches.

This study found that testosterone therapy improved physical performance and strength in older men with low testosterone over 36 months, whether administered alone or with finasteride.

In this study, hyperandrogenemia in young women with polycystic ovary syndrome was linked to higher blood pressure, independent of factors like age, insulin resistance, obesity, or dyslipidemia.

This study found that serum androgen levels in premenopausal women may be influenced by genetic variants of the androgen receptor and estrogen receptor β genes.

This study's model suggests that low androgen levels can increase selection for prostate cancer phenotypes resistant to hormonal therapy, potentially leading to more aggressive forms of cancer.

This study found no significant difference in serum and hair levels of iron, zinc, and copper between female alopecia areata patients and healthy controls.

This study found that serum levels of zinc, copper, and selenium were significantly lower in patients with alopecia areata compared to healthy controls, regardless of the number of hair loss patches.

This study found that patients with alopecia areata had significantly lower serum vitamin D levels and higher odds of vitamin D deficiency, but no significant difference in serum calcium levels, compared to controls.

In Indonesian men with early androgenetic alopecia, this study found that hair iron levels were positively correlated with hair diameter, suggesting potential for improving hair thickness.

In this study, researchers found no significant differences in serum levels of ferritin, folate, vitamin B12, vitamin D, or thyroid function between patients with scarring alopecia and healthy controls, suggesting these factors may not play a major role in the disease's pathogenesis.

This study found that pregnant women experiencing hair loss in the first and second trimesters had significantly lower levels of vitamin D3 and ferritin compared to those not experiencing hair loss, with these levels explained by typical pregnancy physiology.

This study found that patients with androgenetic alopecia had significantly higher serum Osteopontin levels, which were positively associated with metabolic syndrome components, suggesting a potential role in its pathogenesis.

This study found that individuals with early onset extensive androgenetic alopecia have an elevated ratio of DHT to testosterone, but no significant genetic linkage to markers on chromosomes 2 or 5 was detected.

This study found no general elevation in androgen levels among men predisposed to balding, despite a correlation with the free-to-total testosterone ratio; no link was observed with acne.

This study found an association between low serum ferritin levels and alopecia in women, suggesting a potential role of iron in hair health and paving the way for further research.

This study observed that dogs with sarcoptic mange exhibited symptoms like intense itching and restlessness, along with specific haematological and biochemical abnormalities compared to healthy dogs.

In this study, cosyntropin-induced cortisol spikes did not affect hair cortisol concentration in captive grizzly bears, contrasting with stress responses observed in free-ranging bears during capture.

This study suggests that policosanol may prevent androgenetic alopecia in mice by regulating hormone levels and suppressing premature hair follicle entry into the regression phase.

This study compared serum zinc, vitamin B12, folic acid levels, iron metabolism, and thyroid function between chronic telogen effluvium patients and healthy controls, but it reports no specific clinical results.

In this study, researchers observed that lower serum zinc concentrations were associated with decreased serum testosterone levels, but no link was found with sexual function questionnaire scores.

In this study, 35.4% of telogen effluvium patients showed ferritin deficiency and 34.2% had vitamin D deficiency, suggesting these should be included in TE screening; TSH testing should be individualized.

Higher urethral PSA levels after prostate removal surgery may be linked to more hair loss and higher PSA levels post-surgery.

This study found that BMI was the only significant predictor of elevated androgen levels in adolescents with PCOS, and hyperandrogenemia was not linked to a specific PCOS phenotype.

This study found that men with androgenic alopecia had significantly higher levels of lipoprotein (a), a risk factor for coronary artery disease, compared to men with normal hair.

Men with a certain type of hair loss (AGA) have higher bad cholesterol and lower good cholesterol levels, making them more likely to get heart disease.

This study found that hair steroid profiling is a feasible, non-invasive alternative to serum analysis in adolescents, with androgen levels correlating more strongly with body size and composition in boys than girls.

This review article describes the ingredients and evaluation tests for formulating a hair serum aimed at improving hair growth and preventing hair loss, highlighting the roles of Citrus sinensis, Nigella sativa, flax seed, and coconut oil in addressing hair and scalp health.