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Alopecia areata causes hair loss, has no cure, and various treatments exist.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

Potassium channel openers are effective in treating heart conditions, high blood pressure, pulmonary diseases, bladder issues, and hair loss, but more selective drugs are needed.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

To diagnose hair loss, use a systematic approach including history, exams, and tests.

Hormonal treatments can help with acne, especially in women, by lowering androgen levels or blocking their effects.

Hormones, especially androgens, play a key role in acne, which can be a symptom of systemic diseases like PCOS and may require targeted treatment.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.

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

DHT, a testosterone byproduct, causes male pattern baldness.

AMH helps estimate ovarian reserve but doesn't predict pregnancy chances; age is more important.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

The skin's ability to produce hormones is linked to various skin conditions, and better understanding this process could lead to new treatments.

The document suggests that clinical trials for PCOS should focus on meaningful primary outcomes like live birth rates, rather than less reliable surrogate markers.

Natural molecules like inositols, resveratrol, vitamins, and omega-3 fatty acids may help manage Polycystic Ovary Syndrome (PCOS), but their effects vary and need more exploration.

A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

A new hair loss treatment uses tiny needles to deliver a drug-loaded lipid carrier, promoting hair growth more effectively than current treatments.

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

The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.

Potassium channel openers show promise for treating heart disease and other conditions, but more research is needed to fully understand their effects and safety.

Hormonal therapy is a treatment option for acne, the only medical treatment for hirsutism, and the most promising for androgenetic alopecia.

Androgens affect bone and fat cell development differently based on the cells' embryonic origin.

Nanotechnology improves minoxidil treatment for hair loss.

Platelet-rich plasma might help with skin aging, ulcers, and hair loss, but more research is needed to prove its effectiveness and safety.

Birth control pills help treat skin and hair growth problems linked to high male hormone levels.

Minoxidil in breast milk may harm nursing infants.

COVID-19 might worsen symptoms and progression of benign prostatic hyperplasia, possibly due to inflammation and metabolic disturbances in the prostate gland. More research is needed to confirm this.