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Caffeine applied to the scalp can protect hair follicles from UV damage.

Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.

Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.

Skin problems can be linked to sexual abuse, requiring careful medical and psychological evaluation.

People who carry the 21-Hydroxylase Deficiency gene are not more likely to have excessive male hormone levels.

Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.

TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.

Researchers found genetic mutations causing hypohidrotic ectodermal dysplasia in 88% of studied patients and identified new mutations and genetic variations affecting the disease.

The conclusion is that better understanding and more research are needed to effectively manage follicular and scarring disorders in skin of color, with an emphasis on patient education and cultural awareness.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

ΔNp63α stops TAp73β from working in skin cancer by blocking its access to specific genes, not by directly interacting with it.

South Asian women with PCOS present with different symptoms compared to White women, influenced by ethnicity, obesity, and age.

Testing for CAG repeat polymorphism in the androgen receptor gene is not currently recommended for managing hypogonadism.

Low and ultralow doses of flutamide can cause liver damage in young women with high androgen levels, regardless of dose or birth control use, with higher risk for those with higher BMI and liver enzyme levels before treatment.

Many women with PCOS have undiagnosed health issues and show different symptoms based on the clinic they visit.

Blocking the androgen receptor in skin cells reduces their growth response to male hormones, suggesting a possible treatment for skin conditions linked to androgens.

Proper control of β-catenin activity is crucial for development and preventing diseases like cancer.

Nanomaterials in biomedicine can improve treatments but may have risks like toxicity, needing more safety research.

Caucasian and Asian women with PCOS generally show similar symptoms, except Asian women have less chest hair.

Hairless protein can both repress and activate vitamin D receptor functions, affecting gene regulation.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.

Obesity worsens Polycystic Ovary Syndrome symptoms, and weight loss is a key treatment.

Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.

Lupus can look like hair loss from alopecia areata but needs different treatment.

Certain microRNAs are linked to various skin diseases and could be used to diagnose and treat these conditions.

The document concludes that lifestyle changes and medical treatments can significantly reduce symptoms of Hidradenitis Suppurativa, a chronic skin condition.

Mice that can regenerate tissue have cells that pause in the cell cycle, which is important for healing, similar to axolotls.