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Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.

The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.

Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.

The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Certain cultural hair practices might cause baldness by affecting natural hair oils and stem cell delivery to hair follicles.

Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.

The document recommends careful planning and techniques for successful punch hair grafting in hair restoration.

Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.

Different tea tree oil mixtures absorb into hair follicles at varying levels, with microemulsion being the most effective.

African hair has the most lipids, while Caucasian hair is more hydrated and stronger.

Hair analysis can offer clues about a person, but individual differences limit making precise identifications.

Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Transplanting a mix of specific skin cells can significantly improve the repair of damaged hair follicles.

Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.

A gene in Arabidopsis thaliana, AtPRPL1, affects root hair length but not cell wall composition.

Dr. Norwood's analysis highlights the need for careful patient selection and strategic hair transplant design to create a natural-looking hair density.

Shorter, thinner hairs indicate AGA, while longer, thicker hairs suggest CTE; counting and measuring shed hairs helps diagnose hair loss type.

An elderly woman with cancer improved after treatment for a rare skin condition with coiled hairs.

Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.

Loose Anagen Syndrome is a hair condition where hairs can be easily pulled out, mainly affecting young girls, and may improve on its own or with treatment.

Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.

Body hairs can be used in forensic science and toxicology like scalp hair.

Cutting and implanting hair follicles can create finer, more natural-looking hairlines, with about half of the implanted hairs growing back.

D'orenone stops root hair growth by disrupting auxin transport, but adding auxin can reverse this.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

PRX102 is essential for rice root hair growth by helping transport substances to the tips.

RCM and OCT are effective for diagnosing and monitoring hair-related skin diseases but lack standardized protocols and need more research.

Lack of cystatin M/E causes thin hair and dry skin.