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The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.

Curved human hair has different structures on its convex and concave sides.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

The document suggests that male hormones likely affect hair growth and baldness, and future treatments might involve stem cells and androgen-independent cells.

A woman's symptoms of increased body hair and testosterone were caused by a rare adrenal tumor, which was removed successfully.

The case shows the importance of quick and thorough evaluation of adrenal tumors to prevent rapid disease progression and poor outcomes.

Japanese women's curved hair has an uneven internal structure and varied amino acid composition.

Japanese women's curved hair has an uneven internal structure and varying amino acid composition.

A postmenopausal woman's excess male hormone symptoms were caused by a rare adrenal gland tissue in her ovary.

A person with Turner Syndrome showed severe schizophrenia that didn't respond to treatment and had brain shrinkage.

A 13-year-old girl's masculine symptoms improved after surgery for a rare adrenal tumor that produced male hormones.

Hair stiffness is higher when it has more para-like cortical cells.

Sox9 levels in brain stem cells affect whether they stay as stem cells or become neurons.

Minoxidil may help reduce aging effects in brain cells.

Advances in genetics may lead to targeted treatments for hair disorders.

Rat hair follicle stem cells have functional oxytocin receptors, useful for studying neuropsychiatric disorders.

Different growth patterns in thyroid tumors are influenced by where cell growth and death occur.

Oral contraceptives may cause significant hair loss in women.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

Higher androgen levels and site-specific AR expression cause sex-related skeletal differences, and certain steroids can boost AR expression and androgen effects in bone cells.

Wool fiber curliness is linked to the presence of certain proteins and K38.

Psoriasis patients did not show more brain atrophy or small vessel disease than controls, but longer psoriasis duration was linked to more brain atrophy.

Human hair is complex and grows in cycles starting from embryonic life.

Oral contraceptives may cause hair loss in women.

Hair follicle stem cells might help treat traumatic brain injury.

Excessive vitamin A intake caused severe health issues that mostly resolved after stopping the intake.

Progesterone boosts alcohol's effect on brain, finasteride counters it.

A new protein linked to Alzheimer's was discovered, and a hair loss treatment showed effectiveness but had some sexual side effects.

Scientists found out how a specific protein in human hair cuticles behaves and is structured.