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This study discusses how hair characteristics, such as color, thickness, and volume, change with age and hormonal factors, affecting perceived age, and introduces concepts of hair aging and the nuanced diagnosis between androgenic and senile alopecia.

This review reports that alopecia areata affects about 2% of people globally and is linked with psychiatric and medical comorbidities, highlighting its significant disease burden.

This review discusses the complexities of interpreting thyroid function tests, highlighting the challenges primary care providers face due to patient demand and misinformation, but reports no new results.

This review discusses recent data on the use of anabolic-androgenic steroids and other steroid compounds and 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.

This review discusses causes of hair loss in cats, highlighting self-inflicted trauma due to flea allergy dermatitis, and presents no new clinical findings.

In this study, the researchers observed that localized vitiligo was most prevalent among patients in Saudi Arabia, commonly beginning on the face and frequently associated with thyroid disorders.

Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.

This study found that patients with alopecia areata often presented with multilocular patches, common scalp involvement, and associated conditions like atopic dermatitis; the disease predominantly affected younger individuals.

This case report details a 38-year-old woman in Sri Lanka diagnosed with systemic lupus erythematosus-associated protein-losing enteropathy, identified through hypoalbuminemia and EULAR criteria in a resource-limited setting.

This study found that thyroid hormones T3 and T4 enhance keratin 15 promoter activity and stimulate CD200 expression in epithelial stem cells from human scalp hair follicles, affecting their growth and differentiation.

This article discusses nutritional contributions to hair health and highlights the need for identifying risk factors for deficiencies but reports no new clinical findings.

Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.

This article reviews the therapeutic use of carnitine derivatives for re-establishing mitochondrial functionality in aging and reports no new clinical results.

This review highlights that the epidermis acts as an endocrine organ, synthesizing and responding to hormones such as corticosteroids and Vitamin D, impacting processes like hair growth and immune response, and participating in regulating endocrine balance.

This study suggests that hormonal changes may contribute to the persistent symptoms of long COVID, with specific patterns observed in serum hormone levels related to fatigue and sensory dysfunction.

The document concludes that hair loss in women is complex, often linked to aging, health conditions, and nutritional deficiencies, and emotional impacts should not be underestimated.

This study found that in Colombian women with non-scarring alopecia, decreased serum ferritin levels were associated with telogen effluvium, but no such link was observed with thyroid disorders.

This study found that patients with psoriasis had a significantly higher prevalence of autoimmune diseases and other comorbidities compared to individuals without psoriasis.

This study found that young women with PCOS had normal thyroid function but showed alterations in lipid metabolism, which may predispose unmarried women in this group to cardiovascular diseases.

This study in Alahsa, Saudi Arabia, found that the majority of the general population has limited awareness of thyroid disease symptoms and risk factors, with only 21.8% demonstrating good knowledge about the disorders.

Testosterone therapy can improve sexual function in women but long-term safety is unclear.

This review discusses the embryology, structure, and function of sebaceous glands and their involvement in skin disorders but reports no novel findings.

This article reviews the challenges in treating PCOS, noting the potential benefits of insulin sensitizers on ovulatory function and pregnancy outcomes, and calls for more long-term studies on metabolic interventions.

This study found that laboratory testing practices for alopecia areata vary among international hair experts, with the majority routinely conducting thyroid function and complete blood count tests, yet exhibiting diverse approaches toward testing for other conditions or before prescribing systemic therapy.

This study found that serum prolactin levels were significantly higher in patients with subclinical and clinical hypothyroidism compared to controls, indicating altered prolactin regulation in these patients.

This article discusses hyperthyroidism in children, highlighting Graves' disease as the most common cause, and underscores the importance of timely diagnosis and intervention to mitigate morbidity; no new clinical results are reported.

This study observed that abnormal hormone levels were associated with lower disease activity in frontal fibrosing alopecia, while thyroid disorders were a common comorbidity among the affected population.

This case report suggests that venlafaxine may cause hair loss in some patients, as demonstrated by a patient whose hair loss ceased after stopping the medication.

This study suggests that low serum iron and ferritin levels may be associated with telogen effluvium in patients presenting with hair loss.