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First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.

Male-pattern hair loss is largely influenced by genetics, with key genes identified.

Infrared spectroscopy can analyze hair for forensic and medical insights.

Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.

A 5 cm hair sample can reveal blood type and keratin type for forensic use.

Scanning electron microscopy and elemental analysis can help identify animal species by their hair patterns and elements.

Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.

Hair testing is effective for detecting long-term drug use.

The method effectively measures hair elasticity and could be useful in forensics.

A genetic hair protein variant is more common in Japanese people and is inherited.

Topical minoxidil effectively promotes hair regrowth in male pattern baldness.

Human hair is valuable for identifying people and detecting drug use.

DNA markers can predict physical traits for forensic use, but there are ethical and technical challenges.

Sweden's forensic medicine is expanding the use of CT and aims to integrate 3D photogrammetry for injury documentation.

Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.

SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.

A new fluorescent material can detect dextran sulfate sodium, turning green when present, useful for forensic and environmental monitoring.

Ethyl glucuronide levels in hair can change when exposed to artificial sunlight, depending on hair color and thickness.

Keratin peptide signatures in hair may help identify gender and ethnicity.

Keratin peptide signatures in hair may help identify gender and ethnicity.

Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.

The sympathetic nervous system is linked to scalp hair loss.

Perming, combing, and stretching damage hair by reducing keratin.

An 8-year-old boy recovered from a rare case of penile tourniquet syndrome after hair removal surgery.

Hair color is determined by melanin types and gene activity.

Ganser syndrome may result from both organic and psychogenic factors.

Genetic and lifestyle factors influence skin and hair aging, and prediction models can help assess aging and cosmetic treatments.

Thallium poisoning is dangerous but treatable with specific medical interventions.

Low levels of iron and vitamin D might be linked to chronic hair loss in women.

Two patients with heart issues had successful surgeries and improved symptoms.