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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.

Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.

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

A woman with Cushing's syndrome improved after surgery to remove an adrenal tumor.

A rare adrenal tumor in a woman only made DHEA-S, causing hair thinning, and was removed, fixing the hormone level.

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

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

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

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.

Hair follicle stem cells might help treat traumatic brain injury.

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.

The cuneate nucleus has two main neuron types: relay neurons and interneurons.

Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.

FoxN1 overexpression in young mice harms immune cell and skin development.

PRP treatments have shown mixed results for healing, and future research should focus on how PRP is used and which type is used.

Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.

Bleaching hair increases cysteic acid levels in a predictable way.

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

Adding amino acids to damaged hair can improve its strength and appearance.

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

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

The LRRK2-G2019S mutation in Parkinson's disease has a lifetime penetrance of 25-35%, and finasteride may help reduce symptoms in adult male Tourette syndrome patients.

Finasteride reduces Tourette syndrome symptoms, but results may be limited due to potential biases.

Finasteride may help reduce symptoms in male Tourette syndrome patients.

The document describes a woman with familial Parkinson's disease due to a genetic mutation, showing severe symptoms and poor response to treatment, and suggests finasteride may help reduce symptoms in Tourette syndrome.

Finasteride significantly reduced tics and obsessive-compulsive symptoms in patients with Tourette syndrome.

THAP1 gene changes do not affect DYT1 dystonia; finasteride may help reduce tics and OCD in Tourette syndrome.

A specific gene mutation is linked to a hereditary form of dystonia that responds well to certain medications.

Finasteride significantly reduced tics and obsessive-compulsive symptoms in Tourette syndrome patients.