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This study found that male germ-free rats fed semisynthetic diets do not grow as rapidly as their conventional counterparts and require dietary biotin for normal metabolism and folic acid biosynthesis.

This article reviews the role of vasoactive intestinal peptide in maintaining immune privilege in hair follicles and does not report new findings; the authors propose it as essential for immune homeostasis in alopecia areata.

This paper reviews the use of tacrolimus for various conditions, noting its effectiveness in treating certain skin disorders but highlighting that some findings remain anecdotal due to limited case numbers.

In this study, adrenalectomy in rats on a diet lacking certain vitamin B components reversed fur graying and enhanced hair growth.

This study identified eight isoflavone derivatives as potential nonsteroidal inhibitors of rat 5α-reductase using a pharmacophore model in virtual screening.

In this study, adrenalectomy in black rats on a vitamin B-deficient diet restored hair growth and melanin deposition, effects reversed using adrenal cortical hormones.

This article reviews how the microenvironment influences adult stem cell behavior and discusses strategies to enhance stem cell function but reports no new experimental results.

This study found that patients with alopecia areata exhibit a stronger deficiency in coping with stress compared to those with androgenetic alopecia and controls, suggesting a psychosomatic component to the condition.

This article discusses diagnostic challenges and management approaches for hair loss in women of color, emphasizing the importance of clinical examinations and education to prevent and manage traction alopecia.

This review discusses how neurosteroids acting on GABAA receptors may influence behavior and explores the potential for developing selective modulators for treating psychiatric disorders, but reports no new clinical results.

This study found that a phytosomal delivery system improved the bioavailability of Cuscuta reflexa extract compared to the plain extract, suggesting enhanced potential for this formulation.

This study found that an alcoholic extract of Glycyrrhiza glabra significantly reduced prostate weight and serum testosterone in castrated rats given testosterone, indicating potential antiandrogenic properties.

Tofacitinib, an arthritis drug, helped hair growth in alopecia universalis but long-term safety needs more research.

In this study, silver foxes given a yeast "filtrate factor" supplement retained their fur and normal pelts, while those without it experienced fur loss and thymus abnormalities.

This study found that a new analytical approach revealed an increased brain pregnenolone level following finasteride treatment in a mouse model, suggesting potential for improved understanding of neurosteroid roles in brain excitability.

This review examines treatments for chemotherapy-induced alopecia, reporting that combining mechanical and chemical interventions may offer some benefits, though the evidence is not yet definitive.

This article discusses the use of laser technology in hair transplantation and highlights its potential benefits and drawbacks, emphasizing its role in achieving natural results in cosmetic hair restoration.

This article discusses laboratory and physical markers that may help detect androgenic anabolic steroid abuse in athletes and reports no new primary research results.

This abstract explains that androgenetic alopecia, a common hair loss disorder influenced by genetics and hormones like dihydrotestosterone, has FDA-approved treatments including minoxidil, finasteride, and photolaser therapy, but its genetic basis and susceptibility to environmental factors remain complex.

This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.

Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.

This article explores the potential of photobiomodulation for coronary health, suggesting protective effects after heart attacks and in inaccessible ischemic heart conditions, but presents no new clinical results.

Ducks can get the Rous sarcoma virus if infected shortly after birth, leading to tumors and disease spread.

This commentary discusses ethical concerns with direct-to-consumer teledermatology services, highlighting potential conflicts of interest and issues with care quality.

This review discusses the effects of dietary protein and its components on cholesterol, essential fatty acids, and possible health consequences, but presents no new clinical findings.

Minoxidil given intravenously caused small changes in diastolic blood pressure and increased heart rate at higher concentrations in patients with high blood pressure.

This case study reported that a 51-year-old woman with hirsutism and voice thickening had a Leydig cell tumor detected by PET-CT, which normalized hormone levels and resolved symptoms after surgical removal.

Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.

This article discusses the diagnostic and therapeutic approach for immune-mediated central nervous system diseases but reports no new clinical findings.

This article discusses three controversial hair growth disorders but reports no new research findings; it explores alopecia areata incognita, pseudopelade of Brocq, and psoriasis-linked alopecia.