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Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

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

Alopecia areata is an autoimmune hair loss condition treated with corticosteroids, and histologic confirmation is the best diagnosis method.

Topical vitamin D3 does not prevent hair loss from chemotherapy.

Recognizing the different stages of alopecia areata is crucial for accurate diagnosis and treatment.

Bleaching hair damages protein structure, especially keratin, leading to weakened hair.

Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.

Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.

Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.

The study suggests computer-assisted analysis of scalp biopsies could improve hair loss diagnosis but needs more validation.

Chemotherapy caused hair loss with specific patterns, but most patients had hair regrowth after treatment, while some had lasting hair loss.

Higher RBP4 levels found in people with two types of hair loss.

A new type of sudden, complete female hair loss was found, with most patients fully recovering within 6 months without needing steroid treatment.

Hair loss in cancer patients can be related to the cancer itself, treatment, or other conditions, and understanding it is important for diagnosis and patient care.

Fat injections in the face can cause hair loss.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

Mice with a mutated Dsg3 gene showed severe symptoms but not the typical blistering of pemphigus vulgaris.

Yellow dots and short vellus hairs are key signs for diagnosing alopecia areata using trichoscopy.

A topical lotion helped manage hair loss from chemotherapy by affecting cell death, inflammation, and collagen, with no side effects.

Hyaluronic acid fillers for temporal lifting can cause hair loss without scarring.

Etanercept may not prevent alopecia areata from coming back.

Lower proximal cup cells, not bulge stem cells, regenerate hair follicles after chemotherapy.

Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

Hair loss in autoimmune blistering skin diseases varies and may regrow with disease control.

Scalp cooling to prevent hair loss from chemotherapy works for some but not all, and studying hair damage markers could improve prevention and treatment.

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

Detailed patient history and physical exams are crucial for diagnosing hair loss.