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This text is an informational content piece about JAMA Dermatology's website and does not contain any research findings or conclusions.

This case report describes two acute hair-related manifestations, alopecia areata and Marie Antoinette syndrome, observed in the same patient following COVID-19 infection.

This case report, one of the youngest on record, suggests that systemic stress might trigger pediatric sudden hair graying linked with diffuse alopecia areata, emphasizing the need to differentiate it from congenital silvery hair syndromes due to their distinct prognosis and treatment options.

This case report describes a 17-month-old girl who experienced sudden hair whitening during septic shock, suggesting systemic stress may trigger canities subita in young children and highlighting the need to distinguish it from congenital pigment dilution syndromes.

In this case study, a 17-month-old girl experienced sudden hair depigmentation during septic shock hospitalization, suggesting systemic stress as a potential trigger for pediatric canities subita associated with diffuse alopecia areata.

This case study reports a rare instance of an estradiol-secreting adrenocortical carcinoma in a 58-year-old male, causing feminization and Marie-Antoinette syndrome, with potential paraneoplastic aortitis.

This report describes a case of alopecia areata presenting as Marie Antoinette syndrome shortly after Pfizer/BioNTech COVID-19 vaccination, with hair regrowth and partial repigmentation following treatment.

This article reviews the historical and scientific perspectives on the phenomenon of stress-induced changes in hair color and reports no evidence supporting the idea that holding or resigning from political office accelerates human aging or hair graying.

This case report describes a patient with autoimmune autonomic neuropathy associated with high-titer gAChR antibodies who developed selective pigmented hair loss during IV immunoglobulin treatment.

This review discusses historical and literary accounts of sudden hair whitening, known as canities subita, and presents no new clinical findings.

Finasteride helps induce ovulation in nonresponder PCOS women.

This article reviews uncombable hair syndrome, highlighting its symptoms, potential diagnosis methods, and the suggestion for biotin supplements, but it reports no new empirical results.

This study found that a combination therapy of Diane 35 with finasteride was more effective at reducing hirsutism scores in women with idiopathic hirsutism or polycystic ovary syndrome after 3 months compared to Diane 35 alone.

This study found that a low-dose intermittent finasteride regimen significantly reduced hirsutism scores in adolescent girls with PCOS or idiopathic hirsutism, with similar efficacy but potentially safer and less expensive than continuous administration.

This study found that an intermittent low-dose regimen of finasteride (2.5 mg every 3 days) effectively reduced hirsutism scores in women with idiopathic hirsutism or polycystic ovary syndrome, with fewer side effects than continuous daily administration.

A woman's unique dementia was misdiagnosed, a genetic mutation increases Parkinson's risk with age, and finasteride may help with Tourette syndrome.

This review explores skin manifestations associated with autoimmune liver diseases and highlights known and probable links, such as vitiligo's strong association with autoimmune hepatitis.

This article discusses treatments for female pattern hair loss, highlighting that oral antiandrogens and topical minoxidil can effectively arrest progression and reverse miniaturization in many patients with mild-to-moderate cases, but it reports no new clinical results.

This study identified more than 100 genetic loci associated with hair color variation in Europeans, explaining a significant portion of the trait's heritability and advancing understanding of hair pigmentation.

EDA2R gene linked to hair loss.

This review noted that alopecia areata is an autoimmune disease impacting hair follicles and offered insights into its complex pathogenesis involving immune responses, while highlighting ongoing research into new treatments such as Janus kinase inhibitors and other immunomodulatory drugs.

This article reviews treatment options for Alopecia Areata, concluding that topical corticosteroids are effective for mild cases, while systemic therapies are advised for moderate to severe cases.

In this review, researchers examined current knowledge on alopecia areata, finding it affects approximately 2% of individuals, with a likely autoimmune and genetic basis, and highlighting its association with other medical and psychiatric conditions, although no cure currently exists.

This case report highlights the successful treatment of alopecia areata universalis with Baricitinib, suggesting potential long-term effectiveness of janus kinase inhibitors for this autoimmune hair loss condition.

This overview examines the biology, origin, structure, and function of various cells and structures, such as the blood-retinal barrier and Merkel cells, and discusses their roles in disease pathogenesis, along with recent findings related to the lymph nodes' paracortex.

This study found that stress-induced signaling from the sympathetic nervous system in mice led to the depletion of stem cells in hair follicles, resulting in premature greying.

A woman with severe hair loss regrew mostly white hair after treatment.

The document concludes that a unique target-like hair regrowth pattern in alopecia areata may be more common than thought and should be properly identified.

This article describes the Frontiers journal series, highlighting its open-access approach and tiered publishing system, but it presents no new empirical findings.

This case study reports a man with rapid hair thinning, whitening, and sparse beard, linked to an increased proportion of hair follicles in catagen or telogen phase and peribulbar lymphocytic infiltrate.