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Androgens can both increase and decrease hair growth in different parts of the body.

Effective management of children's hair loss involves accurate diagnosis, various treatments, and supportive care.

A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

A hair strand caused a rare case of limb strangulation in a teenage girl with autism, and the condition is not always linked to child abuse.

The document concludes that accurate diagnosis of hair loss in children is crucial due to limited treatment options and the condition's psychological impact.

Trichosporon inkin and Trichosporon mucoides can cause white piedra on scalp hair.

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

A person with a specific gene mutation had extra teeth, unique jaw and hair features not seen before in this condition.

Psychotropic drugs can cause hair loss or excessive hair growth.

A woman lost her hair from stress after a bee attack and her sister's death.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Men are increasingly removing body hair for looks and cleanliness, and while hair loss can cause distress, it doesn't affect their self-esteem as much as it does in women.

Hair and nails are skin parts that develop early and serve protective and functional roles.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.

Scalp cooling can reduce chemotherapy-induced hair loss and should be available in all hospitals.

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

Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.

Hair loss in women may have causes other than hormones.

Cancer treatments often cause hair disorders, significantly affecting patients' quality of life, and better management methods are needed.

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.

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

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

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.

The document explains how to identify different hair problems using a microscope.

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.