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Graying hair happens due to aging and might be delayed by new treatments.

Reflectance confocal microscopy is a useful, non-invasive tool for diagnosing some skin diseases, with potential for future improvements.

High-dose radiation speeds up aging in skin stem cells.

Dermoscopy is a good, noninvasive way to see normal cat skin structures and could be useful for check-ups.

Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.

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

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.

Many 20th century politicians had skin conditions, with vitiligo being most common, affecting their image and political life.

Low-level laser therapy may increase hair density in pattern hair loss.

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

A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.

Researchers developed a new, precise method to measure hair loss in mice using image analysis.

Alopecia areata severely impacts quality of life, mental health, and work productivity.

Skin treatments can improve both skin health and emotional well-being, but they require careful management of patient expectations and potential addiction risks.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.

Msx2 and Foxn1 are both crucial for hair growth and health.

Minoxidil and pyrithione zinc combo most effectively increases hair density.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

A hair wrapped tightly around an infant's toe caused severe damage, requiring early removal and possibly surgery to prevent worse outcomes like amputation.

Dermoscopy has improved skin cancer diagnosis and has expanding applications in dermatology, but requires staying updated with new research and techniques.

ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.

Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.

The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.

Different processes create patterns in skin and things like hair and feathers.

The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.

Two babies needed surgery to remove hair tightly wrapped around their toes to prevent serious injury.

Injecting a mix of human skin and hair cells into mice can grow new hair.

Photoacoustic imaging can accurately assess hair follicle density and orientation for hair transplant planning.

Applying certain inhibitors to the skin can promote hair growth without harming cells.