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The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Wool follicles are complex, involving interactions between different cell types and structures.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

The document concludes that hirsutism is the main sign for diagnosing hyperandrogenism, which requires a detailed patient history and physical exam.

The conclusion is that managing androgen excess requires long-term treatment, including hormonal contraceptives and androgen blockers, with follow-up after six months.

COVID-19 can cause various skin lesions, which may result from the virus and immune response, and are not directly linked to illness severity.

Platelet-rich plasma may have some benefits in dermatology, but there's not enough evidence to widely recommend its use.

Imiquimod 5% cream reduced equine sarcoids in most cases.

Certain medications including flutamide, spironolactone, and others effectively reduce excessive hair growth in women, especially when combined with lifestyle changes.

Some heart drugs show promise for other conditions, but more research is needed to confirm their effectiveness and safety.

A protein called CBP is found in prostate cancer and can increase the effectiveness of certain prostate cancer treatments.

Careful planning and patient counseling can lead to excellent hair transplant results, often in one or two sessions.

Fetal skin cells from a cell bank heal wounds faster and with less scarring than adult cells.

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

Nanocapsules can improve clobetasol delivery to hair follicles, reducing side effects.

Sabal and Urtica extract works as well as finasteride for treating BPH, with fewer side effects.

Tiny needles with valproic acid can effectively regrow hair.

The document concludes that good cosmetic outcomes in hair transplantation depend on the surgeon's artistic skill and careful planning.

Platelet preparations generally show positive effects on wound healing and facial rejuvenation, but more thorough research is needed to confirm their effectiveness.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

Topical JAK inhibitors may help treat some skin conditions but need more research.

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.

Scientists found a gene in mice that causes early hearing loss.

Sunlight worsens hair loss; protect scalp.

Cats with atopic dermatitis often have severe, year-round itching and respond well to certain treatments.

The study found an efficient method to extract antioxidants from Hibiscus leaves.

The conclusion is that individual differences in COVID-19 severity are influenced by factors like age, sex, race, and genetics, which are important for personalized medicine.