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Hair growth environment recreated with challenges; stem cells make successful skin organoids.

Understanding hair follicle anatomy helps diagnose hair disorders.

Certain daily habits like stress, diet, and sleep can affect the severity of hair loss in alopecia areata.

Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

Decreased IGF-1R expression may contribute to sacrococcygeal pilonidal sinus development.

Found microRNA differences in hair cells, suggesting potential treatment targets for hair loss.

Canine hair follicles have stem cells similar to human hair follicles, useful for studying hair disorders.

The document concludes that PCOS has a strong genetic component, but more research is needed to fully understand the specific genes involved.

Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.

Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.

Nanog gene boosts stem cells, helps hair growth, and may treat hair loss.

DHT stops hair regrowth in mice, similar to human hair loss.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

There is a significant need for better-validated quality of life tools in dermatology.

Dogs could be good models for studying human hair growth and hair loss.

The new anti-acne treatment HA-P5 effectively reduces acne by targeting two key receptors and avoids an enzyme that can hinder treatment.

Research on epidermal stem cells has advanced significantly, showing promise for improved clinical therapies.

Diffuse alopecia areata involves more inflammation and higher allergy-related antibodies than patchy types.

Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.

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

Topical PUVA and tacrolimus ointment can effectively and safely treat infant alopecia universalis.

Genetic variation in the androgen receptor gene mainly causes early-onset hair loss, with maternal inheritance playing a key role.

Trichoscopy is useful for diagnosing hair and scalp disorders in people with darker skin.

The document concludes that more research is needed to reduce frequent hospital visits, addiction medicine education improves with specific training, early breast cancer surgery findings are emerging, nipple smears are not very accurate, surgery for older melanoma patients doesn't extend life, a genetic condition in infants can often be treated with one drug, doctors are inconsistent with blood clot medication, a certain gene may protect against cell damage, muscle gene overexpression affects many other genes, and some mitochondrial genes are less active in mice with tumors.

The length of CAG repeats in the androgen receptor gene is linked to ovarian reserve but does not affect how the ovaries respond to stimulation.

Low zinc levels might contribute to early hair graying.

Certain molecules in hair change with age and could be used for cosmetic treatments.

The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.

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