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

Exposure to toxic elements like mercury and lead may be linked to autism, and a higher zinc to copper ratio might help protect against it.

Polarized microscopy helps identify hair irregularities in genetic disorders.

The enzymatic method can effectively identify chemical treatments on hair.

Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.

Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.

The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.

A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.

Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.

Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.

New methods to classify curly hair types were developed based on shape and strength.

Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Human hair varies widely and should be classified by curl type rather than race.

Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.

Scalp hair sweating is a significant predictor of hair cortisol levels.

Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Kids with early graying hair often have low levels of calcium, ferritin, and vitamin D3.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.

Scalp cooling to prevent hair loss from chemotherapy works for some but not all, and studying hair damage markers could improve prevention and treatment.

Forensic medicine is crucial for justice and needs continuous innovation and technology integration.

Chemical treatments severely damage hair cuticles, especially in previously treated hair.

Genetic factors influence hair traits like shape, color, and greying in Latin Americans.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

Hair follicles are valuable for regenerative medicine and wound healing.

The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.

Newborns' hair shows how much caffeine their mothers drank during pregnancy.

People with lupus and rheumatoid arthritis have thinner hair than healthy people.

Forensic DNA phenotyping faces challenges due to inconsistent terminology, limited genetic understanding, and debates over technology and models.