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Alopecia areata causes hair loss, has no cure, and various treatments exist.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

Hair loss in men treated best with early medication or transplant, new treatments researched.

How bad a woman's hair loss is doesn't always match how it affects her happiness and daily life.

The document concludes that hirsutism is the main sign for diagnosing hyperandrogenism, which requires a detailed patient history and physical exam.

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

Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.

Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.

Some breast cancer chemotherapy can cause permanent hair loss.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

Blocking the CXCR3 receptor reduces T cell accumulation in the skin and prevents hair loss in mice.

EGF and FGF boost hair cell growth, hydrocortisone slows it, and minoxidil doesn't affect it.

Photothermal hydrogels are promising for infection control and tissue repair, and combining them with other treatments could improve results and lower costs.

Older skin has higher cancer risk due to inflammation and stem cell issues.

Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.

Some medications can cause hair loss, but stopping the drug usually leads to recovery within 3 months.

Spironolactone helps regrow hair in women with hair loss.

Removing a cat's pancreatic cancer can temporarily reverse hair loss caused by the disease.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.

Effective management of children's hair loss involves accurate diagnosis, various treatments, and supportive care.

Women with PCOS often have hair loss, which is linked to acne or excess body hair but not to worse hormone or metabolic issues.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Hair follicle regeneration possible, more research needed.

Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.

Neurosteroids change how GABA_A receptors work in the brain, which could be important for treating temporal lobe epilepsy.