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This study found that pregnane derivatives with higher lipophilicity, like compound 9d, had stronger androgen receptor binding and greater antiandrogenic effects in rats, correlating relative binding affinity with log P values.

This study found that chemical hair straightening significantly reduced hair curl and improved smoothness and shine, but did not significantly affect transverse fissures or split ends, indicating potential benefits with some side effects.

This study found that flower extracts of Wedelia trilobata may serve as a promising active ingredient for cosmeceutical products due to their antioxidant, anti-inflammatory, and antimicrobial properties.

This study found that wavy sinus hairs in cats were significantly associated with feline leukemia virus infection, suggesting this physical trait might be useful for identifying infected cats.

This study observed a significant increase in certain dermatologic conditions a month and two months after the onset of the COVID-19 pandemic in Turkey, which may suggest a link with asymptomatic COVID-19 infection.

This article discusses cultural significance and psychological effects of hair growth variations but provides no new clinical findings.

This review discusses the age-related diagnostic challenges and comorbidities of polycystic ovarian syndrome and provides no new clinical findings; the authors emphasize the role of obesity in insulin resistance among affected women.

This study found that shift nurses exhibited lower circadian variations compared to daytime nurses, indicating an adjustment of their biological clocks to continuous shift schedules.

This study developed a model using cardiovascular radiomics to estimate biological heart age, finding obesity and other health factors strongly correlated with accelerated heart aging.

In this controlled study, a pulsed electrical field treatment significantly increased hair regrowth compared to baseline and the control group over 36 weeks, without observed side effects.

Finasteride affects prostate weights and pituitary activity differently with age.

This study reported that etretinate treatment leads to increased hair shedding due to a sustained decrease in anagen duration, with an arrest at the onset of anagen and a follicular anchorage defect in telogen contributing to alopecia.

This study found that various petroleum distillates caused significant skin changes in mice, with severity varying based on the product and penetration pathway, potentially leading to skin tumors through non-genotoxic mechanisms in longer-term exposure.

This study analyzed gene expression changes during the autumn coat color change in mountain hares and found conserved gene regulation with snowshoe hares, highlighting its role in seasonal camouflage adaptation.

This case report describes a 47-year-old woman who experienced reversible curling of her hair during treatment with valproic acid, suggesting potential side effects on hair texture.

In this study, the researchers observed that biotin administration in biotin-deficient children with alopecia eliminated certain membrane proteins from their blood, suggesting that biotin might regulate these proteins' expression.

This review discusses recent research on the relationship between gut microflora and depression, highlighting the potential for new insights into the pathogenesis and treatment of major depressive disorder.

This study found that biotransformation of finasteride by Aspergillus niger produced two metabolites with different levels of lipoxygenase inhibition, suggesting potential for developing more potent derivatives.

This review discusses the biological mechanisms, preparation techniques, and clinical applications of platelet-rich plasma therapy, highlighting its variable outcomes and potential improvements for efficacy and standardization; it reports no new clinical results.

This review discusses the mechanisms and treatment strategies for age-related hair changes, such as androgenetic alopecia and hair graying, and reports no new clinical results.

This study analyzed changes in hair diameter and density with age in Caucasian women, highlighting variations in perception of hair amount over time.

This review discusses age-related and environmental factors affecting scalp hair changes in women, highlighting diagnostic complexities and ongoing research into targeted treatments, without reporting new clinical results.

This pilot study found that hair metabolome analysis may help differentiate pregnancy complications from healthy pregnancies by revealing significant metabolite differences between trimesters.

This study found that biologically synthesized silver nanoparticle gel demonstrated excellent wound healing efficacy in rats, surpassing both marketed formulations and ionic silver.

This source reports that scalp cooling is currently the only safe and FDA-cleared method to potentially reduce chemotherapy-induced hair loss, with about a 50% chance of maintaining sufficient hair to avoid needing a wig.

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

This study found that the growth of hair ice on dead wood requires the biological activity of a winter-active fungus, specifically Exidiopsis effusa, which shapes and stabilizes the ice structures.

In this study, researchers identified specific long non-coding RNAs involved in feather development that do not follow traditional genetic inheritance patterns in chickens.

This study found that a specific amino-pyridine compound showed potent androgen receptor antagonist activity, stimulating hair growth in mice and reducing sebum production in a hamster model.

This review discusses common skin eruptions caused by biologics in treating inflammatory bowel disease and proposes tailored therapeutic approaches for managing these adverse reactions.