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Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.

Low-glycemic index diets are beneficial for weight loss and satiety, but more research is needed on long-term effects and individualized approaches are recommended.

K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.

Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

Pollution exposure speeds up hair damage.

Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.

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

The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.

Standardized procedures are crucial for collecting and preparing biological samples to ensure accurate clinical metabolomics results.

Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.

Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.

Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.

The Cross-section Trichometer is a promising tool for measuring hair characteristics without cutting the hair and may have various clinical uses.

Clippers are the best tool for collecting dog hair for chemical tests, being fast and stress-free for the dog.

Hair proteins in preschool children and their mothers could indicate developmental changes and health status.

Both genetic and lifestyle factors significantly affect female hair loss.

PEI diffuses into hair at a constant rate, and urea speeds up this process.

Cyclophosphamide effectively induces cashmere shedding in goats without affecting their overall health.

A new method was developed to extract and analyze proteins from very short human hairs.

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

The Cross-section Trichometer is a new tool that can measure hair quantity and detect hair loss and growth.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.