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Male rats have more somatostatin neurons than females due to testosterone converting to estrogen during early development.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

Electro-acupuncture may help treat PCOS in rats by changing brain DNA methylation.

The document suggests that blocking sweat glands with antiperspirants might allow skin-generated hormones to be absorbed, possibly increasing breast and prostate cancer risk.

Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.

The document concludes that careful surgical methods and choosing the right materials are key for successful scalp, skull, and frontal sinus reconstruction.

Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.

3D cell-derived matrices improve tissue regeneration and disease modeling.

New treatments and early diagnosis methods for permanent hair loss due to scar tissue are important for managing its psychological effects.

Chronic scalp pain in trichodynia involves both body-wide and localized increased pain sensitivity.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

Insulin helps heal corneal wounds and nerves in diabetic mice by activating the Wnt signaling pathway.

CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.

Childhood ptosis can vary from a minor cosmetic issue to a serious condition and may signal other health problems.

Laser treatment improved scalp skin condition with no side effects.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.

Individualized assessment and meticulous planning are crucial for successful brow and upper eyelid surgery.

Acne is caused by multiple factors including oil production, bacteria, inflammation, and possibly diet and environment.

Women with congenital adrenal hyperplasia have lower fertility, but with proper treatment, they can conceive successfully.

Finasteride can treat prostatic haematuria, but its use is controversial.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

Finasteride affects young male rats' brain function and behavior negatively.

Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.

Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.

Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.

Repeated botulinum toxin injections for forehead wrinkles may cause hairline recession in some women.

Chemotherapy causes complex changes in hair follicle cells that can lead to hair loss.

Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.