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Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

Pure carbon nanotubes are safe for mice, but impure ones cause immune issues and hair loss.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

No treatment fully prevents hair loss from chemotherapy yet.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

Minoxidil effectively treats severe hypertension but may cause side effects, so careful monitoring is needed.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

Skin fat helps with body temperature control and has other active roles in health.

Turing patterns are now recognized as important in developmental biology.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Conditioned media from mesenchymal stem cell cultures could be a more effective alternative for regenerative therapies, but more research is needed.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

The document concludes that specific itchy skin diseases during pregnancy have varying fetal risks and treatments, including corticosteroids and other medications.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.

Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.

White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.

Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.

Beta-sitosterol has potential health benefits but needs more research to fully understand its effects and improve its use in treatments.