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Alopecia areata is a common autoimmune condition causing varying hair loss, diagnosed by specific patterns of inflammation around hair follicles, with several treatment options available.

Up to 50% of women may experience significant hair loss by age 50, with various causes and treatments available.

Up to half of women by age 50 experience significant hair loss, with various types and treatments available.

Method found to accurately identify finasteride impurities using liquid chromatography.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Terazosin and finasteride effectively treat BPH, but combining them adds no extra benefit.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

Fat-related cells are important for initiating hair growth.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Proteasome inhibitors are promising treatments for various cancers, autoimmune diseases, and other conditions.

African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.

Some wound-healing cells can turn into fat cells around new hair growth in mice.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

The research found that different types of fibroblasts are involved in wound healing and that some blood cells can turn into fat cells during this process.

Stromal stem cells may help heal wounds by becoming structural cells or affecting the immune system, but more research is needed to understand how.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

Different types of skin cells play specific roles in development, healing, and cancer.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.