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Activated platelet-rich plasma helps hair growth by boosting growth factors and cell growth pathways in hair cells.

The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

Scientists can grow human hair follicle stem cells in a lab without changing their nature, which could help treat hair loss.

Rat dermal papilla cells have unique genes crucial for hair growth.

Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.

Finasteride can treat hair loss, but may have side effects; evaluate and inform patients of risks.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

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

Infrared thermography, especially with dermoscopy, improves accuracy in diagnosing active hair loss due to inflammation.

Some topical treatments like corticosteroids and vitamin D analogues are effective for scalp psoriasis, but more long-term data is needed.

ERβ has potential in treating prostate cancer and neurodegenerative diseases, but human studies are needed before clinical use.

Spironolactone may make some cancer treatments more effective by blocking a protein that helps cancer cells survive.

The S250C variant in a gene may cause autoimmunity and immunodeficiency by impairing protein function.

Acne and increased body hair in teenage girls are normal but severe cases may need hormone evaluation and treatment can prevent diabetes linked to PCO.

Estrogens are key for bone growth spurts in both boys and girls and affect growth into adulthood.

New hormonal treatments for enlarged prostate show promise for safer, effective non-surgical options.

Certain spices may help prevent and treat skin cancer, but more human trials are needed.

Drugs for hormone-related conditions might help treat mental disorders but could have serious side effects.

Dutasteride works better than finasteride for preventing and treating prostate cancer.

Stem cell therapies show promise for treating various diseases but face challenges in clinical use and require better monitoring techniques.

The document concludes that treating androgen excess needs patience, managing expectations is important, and many drugs used are not officially approved, suggesting cosmetic options for mild cases.

Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.

Finasteride affects SRD5A2 gene pattern, possibly causing lasting side effects.

Finasteride can cause lasting sexual dysfunction, depression, and other side effects, needing more research for treatment.

Aging involves volume loss, not just gravity and skin changes, and restoring facial volume is key for a youthful look.

These methods help understand DNA changes in mouse skin.

Some conditions mimic PCOS symptoms and need careful diagnosis to treat potentially serious health issues.

Early diagnosis and treatment of PCOS in teenagers can help prevent more severe adult PCOS.

Metformin improved menstrual cycle regularity and signs of hyperandrogenism in adolescent girls with type 1 diabetes but did not improve blood sugar control.

The document concludes that more research is needed to understand airway repair and to improve tissue engineering for lung treatments.