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In this study, nine individuals who underwent rigorous weight loss programs experienced significant hair loss, which researchers attributed to insufficient energy supply to the hair matrix, with regrowth occurring within months.

This study suggests that topical procyanidin B-2 is safe for use as a hair growth agent, as it showed no mutagenic effects or significant irritation in a series of toxicological tests.

This study found that COVID-19 infection is a frequent cause of acute telogen effluvium, leading to excessive hair loss within 2–3 months after infection.

This study observed dynamic changes in CD10 and CD34 expression in fetal and adult human hair follicles during embryogenesis and hair cycling.

Eosinophilic infiltrate is not a reliable indicator for diagnosing chronic alopecia areata.

This study suggests that yellow dots observed in scalp videodermoscopy are not highly specific to alopecia areata, as they appear in various types of alopecia.

This study reports that nonscarring diffuse hair loss in women is most common in the 21-40 age group, with low serum ferritin, vitamin B12, and vitamin D3 levels contributing to its pathogenesis.

Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.

This study found that acute stress in rats inhibits hair growth, likely through increased cortisol levels and activation of the substance P-mast cell pathway.

In this study, Nec-1s was found to promote hair growth and may target necroptosis and the Wnt/β-catenin pathway for potential treatment of hair loss.

This study suggests that oral and topical tacrolimus may effectively treat psoriasis, atopic dermatitis, and hair growth disorders, although results are mostly based on small or animal studies.

This study reports that a third of patients with SARS-CoV-2 infection developed acute telogen effluvium within three weeks, highlighting a notable pattern of early hair loss following COVID-19.

In this study, researchers found that inhibiting inducible nitric oxide synthase (iNOS) promoted hair growth in diabetic mice, suggesting iNOS-derived nitric oxide contributes to hair loss under diabetic inflammatory conditions.

This study found that topical curcumin can initiate hair growth in mice by acting as a JAK inhibitor but could not fully reverse alopecia areata, likely due to insufficient penetration to deeper skin layers.

This study found that Oriental melon leaf extracts promoted hair growth in a mouse model and cultured human hair follicles, suggesting potential use as a treatment for hair loss.

This study suggests that inducible transgenic mice showing hair follicle changes similar to telogen effluvium in humans might serve as a useful model for understanding this type of hair loss.

This article reviews various aspects of growth factor research, highlighting their role in treatments and emphasizing the need for further clinical trials to validate their efficacy in biomedical applications.

This review discusses the clinical applications and adverse effects of 5-alpha reductase inhibitors for treating benign prostatic hyperplasia and androgenic alopecia, noting controversies around their implications for other diseases, without reporting new results.

This review discusses the potential therapeutic effects of exosomes from various cell sources in treating acute kidney injury and explores their mechanisms, but reports no new clinical results.

This study reported that the tested hair lotion significantly reduced hair loss and accelerated recovery in women with acute telogen effluvium compared to a mild shampoo alone.

This review discusses the causes and understanding of telogen effluvium, a form of hair loss following physiological stress, and provides no new clinical findings.

This clinical study found that Rosmarinum officinalis mother tincture significantly improved hair volume and density in individuals with diffuse hair loss by enhancing hair parameters measured through a hair shedding visual scale and ponytail thickness test.

In this clinical case report, a 10-year-old girl developed acute hair matting three weeks after scalp trauma and frequent povidone-iodine use, suggesting that scalp injuries and antiseptic overuse can be risk factors for this condition, especially when hair care is poor.

This review discusses telogen effluvium, including its causes, symptoms, diagnostic methods, and treatment strategies, without presenting new clinical findings.

In this study, researchers found that supplementation with L-cystine, either alone or with a keratin hydrolysate, significantly improved hair density, hair and nail brightness, and nail growth in women experiencing acute telogen effluvium and brittle nail syndrome over three months.

This review discusses the diagnosis and management of severe cutaneous adverse reactions to drugs and provides guidance for physicians to improve patient outcomes, but it reports no new clinical results.

This study found that stimulating the olfactory receptor OR2AT4 in human hair follicles with a synthetic sandalwood odorant promotes hair growth ex vivo by decreasing apoptosis and increasing IGF-1 production.

This review explores the autoimmune hypothesis of alopecia areata and the possible genetic and melanogenesis-associated autoantigens, but reports no new clinical findings.

This study found that healthcare workers with a positive SARS-CoV-2 nasopharyngeal swab were most likely to report long-COVID symptoms, while seropositive workers without a positive swab had milder symptoms.

This study found that patients over 45, those with obesity, and those experiencing 15 or more COVID-19 symptoms had a higher likelihood of developing severe long COVID-19.