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Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

Understanding hair follicles through various models can help develop new treatments for hair disorders.

Male pattern baldness involves genetics, hormones, and needs better treatments.

Androgenetic alopecia in men is genetic and linked to health issues like obesity and heart disease, with treatments including minoxidil, finasteride, and hair transplants.

Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.

Testosterone increases hair follicle cell growth when beard or axillary skin cells are present together.

Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.

A woman had both Graham Little-Piccardi-Lassueur syndrome, causing hair loss, and complete androgen insensitivity syndrome, making her genetically male but physically female. This suggests androgens don't affect the hair loss condition.

A mother and daughter have a rare genetic hair loss disorder with no effective treatment.

Syphilis can cause hair loss that looks like other conditions, but it improves with treatment.

A male patient developed frontal fibrosing alopecia after antiandrogen therapy for prostate cancer.

A man with both Klinefelter syndrome and primary hyperparathyroidism showed a rare combination of symptoms and genetic patterns.

Certain maturity signs appear before and after the first release of sperm in boys.

A 15-year-old girl with no menstrual period was diagnosed with a genetic condition that makes her body unable to respond to male hormones, leading to female characteristics despite having male genetic makeup.

A Chinese man with KID syndrome had a new mutation in the GJB2 gene.

A woman with lupus had blood cell destruction, treated successfully with medication.

All hair removal methods irritate underarm skin and cause dryness, with shaving being less irritating but more drying than plucking or waxing.

A 15-year-old boy's smelly, yellow armpit hair improved with clindamycin treatment.

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

The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.

Different skin cells process testosterone differently, and certain drugs can change this process, possibly helping treat acne and hair loss.

Combining liposuction with laser ablation effectively reduces underarm odor with minimal side effects.

Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.

Androgens like testosterone affect skin health and can lead to conditions such as acne and hair loss, with various treatments available.

Too much androgen can cause hair loss; finasteride may help.

The document concludes that targeting 5α-reductase, the androgen receptor, and hair growth genes, along with using compounds with anti-androgenic properties, could lead to more effective hair loss treatments.

The conclusion is that young women with excessive hair growth should be quickly tested for hormonal issues and treated to improve their social well-being.

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

Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.

A new plant extract from Avicennia marina could potentially be used to treat common hair loss.