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The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.

Hair in mammals likely evolved from glandular structures, not scales.

Androgens can cause hair growth in some areas but hair loss on the scalp.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.

Men with hair loss experience lower quality of life, worsened by factors like age, severity, and treatment history.

Women with female pattern hair loss have higher levels of certain androgens, suggesting increased androgen exposure to hair follicles.

Curcumin applied to the skin can start hair growth in mice.

BMP signaling controls hair growth and skin color.

CE-PTG detects early hair follicle issues in balding areas, helping measure male hair loss.

After menopause, some women lose scalp hair and gain facial hair, with patterns suggesting different underlying causes.

Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.

Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.

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

Breast cancer may be detectable through changes in scalp hair lipids.

Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.

Androgenetic alopecia is a common hair loss condition caused by testosterone effects on hair follicles, leading to thinner, shorter, and less pigmented hair, diagnosed using scalp dermoscopy and treated with topical minoxidil, antiandrogen agents, and 5-alpha reductase inhibitors.

The document concludes that diagnosing and managing plaque psoriasis, particularly in sensitive areas, is challenging and requires careful differentiation from similar skin conditions.

Hair loss is mainly caused by a testosterone byproduct, and hair restoration surgery uses hair from the back and sides of the scalp.

Trichoscopy effectively diagnoses early female hair loss, but may need scalp biopsy for confirmation.

Different patterns on the scalp help diagnose types of hair loss without needing a biopsy.

Terbinafine is the most effective treatment for tinea capitis, a scalp infection often confused with other conditions.

Testosterone can cause acne and male-pattern baldness, affects hair growth in men and women, and makes male skin more sensitive.

Children's hair diseases include compulsive hair-pulling, easily plucked hair, scalp fungal infections, and head lice, each requiring specific diagnosis and treatment.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

Male pattern hair loss may be linked to the developmental origins of hair follicles.

Hair cell cloning could potentially rejuvenate shrinking hair follicles, allowing for lifelong hair maintenance.

Elastin staining helps assess late-stage scarring alopecia but is not definitive, and clinical diagnosis is still crucial.