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Hormone treatments for transgender individuals generally improve mental health and physical transition, with some health risks that require medical supervision.

The new "differential stripping" method effectively measures how much substance gets into hair follicles.

Omeprazole effectively treats severe acid reflux in children for short-term use, but long-term safety needs more research.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Testosterone's muscle-building effects do not require its conversion to DHT.

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

Women with PCOS and higher androgen levels are more likely to have fatty liver disease.

No effective treatment for frontal fibrosing alopecia was found, but oral 5-alpha-reductase inhibitors had the best response; for lichen planopilaris, topical corticosteroids were commonly used but had a high relapse rate.

Flutamide rarely causes liver toxicity in prostate cancer patients.

Epidermal β-catenin activation changes the dermis by signaling different fibroblast types.

Targeting hair follicles can improve skin treatments and reduce side effects.

Preoperative pain assessment, regional anesthesia, and vitamin C can help prevent CRPS after surgery.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

Hirsutism is more linked to high androgen levels than acne or hair loss, and a mix of hormonal tests is best for diagnosis; certain treatments can reduce symptoms.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.

Women with PCOS have more body fat and thicker fat layers in certain abdominal areas than women without PCOS.

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

Blocking β-catenin in skin cells improves hair growth during wound healing.

TCDD speeds up skin barrier formation by increasing certain gene expressions.

The document concludes that cosmetic surgery is still mainly a practice for women and the gender gap in this field is expected to continue.

Skin problems in COVID-19 patients are rare and may be due to the body's complex immune response or blood clotting issues.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.