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Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

Androgens slow hair growth by altering Wnt signaling in balding cells.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Androgen receptors are key for development and health, affecting conditions like prostate cancer and male pattern baldness.

Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

The document concludes that the effectiveness of platelet rich plasma in aesthetic surgery is unclear due to inconsistent reporting and lack of objective measures in studies.

Burn reconstruction improves with new techniques, materials, and tissue engineering.

Athletes use steroids to enhance performance despite health risks and legal issues, and education on their dangers is needed.

Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.

HIV can cause unusual and severe skin problems that are hard to treat.

Alopecia areata shows a unique type 1 interferon signature, suggesting potential treatment by targeting this pathway.

Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.

Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.

Topical JAK inhibitors may help treat alopecia universalis by promoting hair regrowth.

The document concludes that more research is needed to understand how to treat muscle pain with drugs.

Loose anagen hair syndrome, often affecting young girls, can be diagnosed with a hair-pull test and usually gets better on its own, but severe cases may need treatment.

The Wnt/β-catenin pathway can activate melanocyte stem cells and may help regenerate hair follicles.

Botulinum toxin has potential for treating various skin conditions and improving wound healing.

Eupafolin nanoparticles help protect skin cells from damage caused by air pollution.

Sex hormones may affect COVID-19 severity, with men often faring worse, and targeting related pathways could offer treatment options.

Surface Plasmon Resonance is a useful tool for studying protein interactions and has potential for future technological advancements.

The document concludes that correct diagnosis and management of PCOS are important, and more research is needed on its risks and treatments.

The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

Dutasteride-containing mesotherapy effectively treats female hair loss, improving density and thickness with minimal side effects.

Systemic glucocorticosteroids are a primary treatment for various skin conditions but require careful management due to potential side effects and relapses.

Finasteride effectively reduces hair growth in women with polycystic ovary syndrome or idiopathic hirsutism.