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Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Thallium poisoning from contaminated cake caused severe health issues in Baghdad, highlighting the need to ban thallium as a rodenticide.

Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.

Chemotherapy-induced hair loss is partly due to decreased laminin-511 and increased laminin-332.

Scientists developed a system to study human hair growth using skin cells, which could help understand hair development and improve skin substitutes for medical use.

Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.

Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.

Hair transplantation is a surgical procedure to move hair to bald areas, requires good donor hair, and results show in about a year.

The document concludes that understanding and treating hair loss requires recognizing its various types and using appropriate diagnostic tools and treatments.

The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.

The research found specific signs to diagnose alopecia areata incognito and noted patients generally regrow hair after steroid treatment.

Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.

Finasteride reverses early hair loss and promotes growth.

COVID-19 may cause hair loss and scalp pain due to inflammation and changes in hair follicle receptors, but these symptoms typically resolve in 2 to 4 months.

The document explains different hair loss types and treatments, emphasizing diagnosis through examination and tests, and specific treatments for each condition.

The "color-transition sign" helps tell apart alopecia areata incognita from telogen effluvium by looking at hair color changes.

Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.

A positive anagen pull test can help detect active Lichen Planopilaris.

Rice water and hibiscus can help improve hair health and growth.

Understanding hair structure and growth is key for diagnosing hair diseases accurately.

Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.

Understanding hair follicle anatomy helps diagnose hair disorders.

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

The document concludes that proper diagnosis and FDA-approved treatments for different types of hair loss exist, but treatments for severe cases often fail and future improvements may focus on hair follicle stem cells.

Women with thinning hair have thinner hair strands than women without hair loss.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

Assessing newborn scalp hair can reveal important health information.