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Androgen-deprivation therapies increase the risk of certain heart conditions, but testosterone treatment may help.

New methods like nanoparticles and microneedles show promise for better skin drug delivery, especially for hair disorders.

Hydrogel scaffolds can help wounds heal better and grow hair.

PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.

Regulatory T cells protect hair follicle stem cells by maintaining immune privilege in the skin.

A special gel scaffold was made that speeds up wound healing and skin regeneration, even though it breaks down faster than expected.

A woman's severe hirsutism was caused by Leydig cell tumors in her ovaries, which improved after surgery.

pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.

Ultrasound is a useful, non-invasive tool in dermatology for diagnosing skin conditions and guiding treatments, but it has some limitations.

Hair care cosmetics affect hair health; know products, ingredients, and procedures.

Low-Level Laser Therapy helps heal wounds and regenerate tissue when used correctly.

The 'Swiss cheese' pattern in scalp biopsies can indicate trichotillomania, not just alopecia areata.

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.

Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.

Hair growth is cyclic and influenced mainly by local factors.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Telogen effluvium is a common type of hair loss that can resolve on its own or become chronic, with treatment depending on early diagnosis.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Understanding the mouse hair cycle is crucial for cancer research.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Prolactin affects when mice shed and grow hair.

Frequent hair coloring and styling can damage hair and cause breakage or loss.

Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.

Spironolactone helps regrow hair in women with hair loss.

Prolactin slows down hair growth in mice.

The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

Hair problems can be caused by genetics or the environment, and treatment should focus on the cause and reducing hair damage.

Ruxolitinib can help regrow hair in severe alopecia areata.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.