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Hair cortisol analysis is a reliable tool for monitoring long-term stress in captive chimpanzees if certain variables are controlled.

Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

The method effectively analyzes human hair proteins, especially nonfilamentous ones.

The EDAR gene mutation leads to thinner and more deformed hair shafts.

Rosehip extract improves hair wave, thickness, and color vibrancy.

The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.

Hair protein differences help identify species and individuals in forensic science.

Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.

Human hair contains many different molecules that change along its length, influenced by personal care products.

Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.

Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.

Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.

Genes affect pig hair patterns, aiding better breeding.

The research identified key proteins that affect wool fiber thickness in Angora rabbits.

The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.

Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.

Hormones can cause hair loss and affect hair growth.

Hair cortisol can reliably indicate chronic stress in cats and dogs.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Hair testing can detect a single GHB exposure, useful for documenting sexual assault.

Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Hair analysis is not a precise way to measure livestock's mineral status but can help when used with other methods.

New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.

Hair analysis can detect drug use but requires careful interpretation due to its complexity.

Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.

Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.