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The document reports findings on genetic research, including ethical concerns about genome editing, improved diagnosis of mitochondrial mutations, solving inherited eye diseases, confirming gene roles in epilepsy, linking a gene to aneurysms, and identifying genes associated with age-related macular degeneration.

Chemical treatments and daily stresses damage hair, especially the cuticle layer.

Stretching damages Caucasian hair's structure more easily than Asian hair.

Hair fibers degrade and change color in very basic water.

Oxidative hair dye changes hair color and structure but doesn't weaken it.

Two mouse mutants have defective hair cuticle cross-linking.

Older thin hair is not just thinner but also has different shape, structure, and stiffness.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Hair analysis can detect drug use but is costly and interpretation is complex.

Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.

As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.

Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.

X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.

Mummy hair from the Taklamakan desert has calcium and phosphorus inside.

A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.

Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.

Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

Rac1 is essential for proper hair structure and color.

The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.

Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.

Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.

FoxN1 gene is essential for proper thymus structure and preventing hair loss.

Both cyproterone acetate and spironolactone effectively reduce hair growth in women with hirsutism.

The fuzzy gene is crucial for controlling hair growth cycles.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.