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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.

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.

Cronkhite-Canada Syndrome often leads to death within 6-18 months.

Light microscopy is useful for diagnosing different hair disorders.

Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.

The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.

Higher androgen levels do not cause baldness in men.

Hair loss in systemic lupus erythematosus patients is unique and improves with treatment.

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.

The document explains different hair loss types and treatments, emphasizing diagnosis through examination and tests, and specific treatments for each condition.