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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.

This review highlights the potential of natural product-derived compounds, such as flavonoids and alkaloids, to reverse multidrug resistance in tumors, emphasizing their role in regulating signaling pathways, proteins, and genes related to MDR, and aims to guide future research efforts in this area.

This study found that certain nutraceuticals did not interfere with tamoxifen's inhibition of estrogen in breast cancer cells and may enhance its effects, suggesting potential as an adjuvant therapy for hair loss in patients undergoing endocrine therapy.

In this study, researchers found that methanol extract from E. alba stem reduced the expression of the apoptosis marker gene Caspase-3 in T47D breast cancer cells, particularly at 100 ppm, achieving 1.859 times suppression compared to DMSO 2%.

Researchers found an RNA transcript that might help control a growth factor linked to tumor development.

This systematic review found that Janus kinase inhibitors have shown beneficial effects for psoriasis and alopecia areata, with promising preliminary results in other skin conditions, though more research is needed to define dosing and safety profiles.

In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.

This study found that thyroxine modulates peripheral molecular clock gene expression in human hair follicles, which may have implications for treating clock-related diseases in patients with thyroid dysfunction.

This review discusses the effects of thyroid hormone on the skin and explores the potential for using it to treat skin diseases, but reports no new clinical results.

This review emphasizes the potential of repurposing topical L-thyroxine for skin ulcers and telogen effluvium and highlights the need for further exploration of its use in dermatology.

In this study, researchers observed that administering the minimum dose of levothyroxine to a hypothyroid Dalmatian effectively restored normal skin condition and hormonal levels, suggesting levothyroxine's potential effectiveness in managing skin changes caused by hypothyroidism in dogs.

This article discusses factors influencing hair greying, such as thyroid hormone levels and postmenopausal changes, and suggests lifestyle adjustments for hair health; it reports no new clinical findings.

This case report describes a 46-year-old female diagnosed with hypothyroidism, presenting with symptoms including severe hair loss, and treated with levothyroxine and supplements.

This review discusses the current understanding of androgen biosynthesis, mechanisms of action, and their roles in human biology, as well as related congenital and acquired disorders, but it reports no new research findings.

This article discusses various treatments for androgenetic alopecia and reports no new clinical results, noting the condition's aesthetic and psychological impact.

This case report highlights the diagnostic challenges of thyroid storm, emphasizing the importance of a thorough history and review of systems to differentiate it from other conditions.

This study observed that an overdose of levothyroxine in a hypothyroid infant led to rapid hair loss, which improved after reducing the medication dose.

HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.

This study used a glucocorticoid-injection model to mimic kidney-yang deficiency syndrome and reported symptoms related to hormonal imbalances in the hypothalamic-pituitary-target gland axes.

This study found that urinary selenium to creatinine ratio and serum selenium concentrations quickly respond to changes in dietary selenium, making them useful biomarkers for assessing selenium status in dogs.

In this study, researchers observed that fasting-induced molting in laying hens led to increased thyroid hormones, which may regulate feather molting by affecting hair follicle growth through specific signaling pathways, highlighting molecular changes during induced molting.

This case study highlighted that excessive iodide intake from the supplement TauriNac was associated with the development of hypothyroidism in a cystic fibrosis patient, which reversed upon discontinuation.

In this study, a 33-year-old HIV-infected man experienced alopecia areata after beginning zidovudine therapy, which reversed upon discontinuation.

This study found that in Liaoning cashmere goats, overexpression of the PIP5K1A gene enhances skin fibroblast proliferation, while interference with this gene reverses melatonin-induced proliferation, and PIP5K1A regulates certain miRNA expressions, suggesting a role in improving cashmere yield and quality.

This study found that oral contraceptives effectively suppressed hyperandrogenemia in most patients with hyperandrogenic-insulin-resistant acanthosis nigricans syndrome, though GnRH-a therapy was beneficial for those not responding initially.

In this study, DHT was found to inhibit hair growth in mice by decreasing IGF-I production in dermal papillae through reduced sensory neuron stimulation.

In this study, telogen effluvium was commonly found to be associated with iron-deficiency anemia and hypothyroidism among female patients in Makkah, Saudi Arabia.

This study found that experimentally induced hypothyroidism in rats is associated with impaired skin structure, but topical application of triiodothyronine (T3) improved these changes to resemble normal skin.

This narrative review found a strong association between alopecia areata and autoimmune thyroid diseases, suggesting routine thyroid function and autoantibody screening could be beneficial for certain patients with extensive, recurrent, or early-onset alopecia areata.

This study found that type 2 immunity, especially involving ILC2 cells, helps maintain skin homeostasis by regulating the proliferation and community stability of hair follicle epithelial cells in the presence of Demodex mites.