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Hair loss can indicate underlying systemic diseases and addressing these can sometimes reverse the hair loss.

Hair loss in elderly women is often caused by various factors, including hormonal changes after menopause.

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

Diagnosing alopecia areata is challenging and requires careful examination and various tests to distinguish it from other hair loss types.

Hair loss may be an early sign of serious illnesses like Hodgkin disease.

Topical minoxidil helps treat hair loss in teens, but more research needed for safe options.

Pilose antler extract helps hair grow in mice with a type of hair loss by speeding up the growth phase.

AGA can occur in children with family history; early diagnosis and treatment important.

Alopecia areata is a chronic condition causing hair loss, with new treatments targeting the immune system showing promise.

Non-ablative and ablative fractional lasers helped hair growth in some cases without major side effects, but didn't work for all hair disorders.

White piedra is a rare hair infection treated with oral and topical antifungals.

The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.

Human hair contains diverse proteins, including keratins and histones, which could help assess hair health and aging.

ALDOA levels drop in hair cells during hair loss.

Most pregnant women experience skin darkening and hair changes, with these effects usually going away after giving birth.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

A hair restoration technique was introduced that mixes different types of hair groupings to reduce procedure time, limit damage, and potentially increase hair density, suggesting more hair can be transplanted than previously thought.

A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

Dermoscopy improves diagnosis and treatment monitoring for children's skin infections, inflammations, and hair disorders.

The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.

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

Hair loss is common in lupus patients and can be permanent or reversible, depending on the type, with various treatments available.

ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.

Understanding hair biology is key to developing better treatments for hair and scalp issues.