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

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

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

Hair loss in women may have causes other than hormones.

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

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

Premature graying of hair may suggest health issues and currently lacks effective treatments.

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

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Trichoscopy is a useful tool for diagnosing hair disorders without pulling out hair.

Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

The document concludes that early diagnosis and treatment are crucial for children with hair loss to prevent permanent damage, although not all conditions can be effectively treated.

Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.

Finasteride potentially treats hair loss by reducing DHT production.

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

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.

Light microscopy is useful for diagnosing different hair disorders.

FPHL causes hair loss in women due to genetics and hormones; minoxidil and anti-androgens are treatments, and early intervention is advised.

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

Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.

Curcuma aeruginosa essential oil effectively reduces hair growth and lightens underarm skin.

Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.

Hsc70 protein may influence hair growth by responding to androgens.

Hair restoration surgery can effectively increase pubic hair density, with patient satisfaction and natural results largely depending on the chosen hair pattern and graft design.

The document concludes that hair loss is common and can be treated with medications like minoxidil or surgical options, and it significantly affects people's psychological well-being.

Hair style affects perceptions of age, health, and attractiveness more than hair color does.

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

Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.