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Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Cannabinoids may help treat chronic and chemotherapy-induced neuropathic pain, but more research is needed to confirm their effectiveness and safety.

The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.

The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.

Despite progress in treatment, the exact cause of Alopecia areata is still unknown.

Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.

Androgens prevent hair growth by changing Wnt signals in cells.

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

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

Minoxidil works in liver and outer hair root sheath for hair growth.

Hormone imbalances can cause specific skin changes, which may help in early detection of endocrine disorders.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

Scientists found cells in hair that are key for growth and color.

Minoxidil controls blood pressure but may cause kidney damage and needs diuretics to prevent swelling.

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Different ethnicities and treatments affect human hair strength and structure.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

New cells are added to the hair's dermal papilla during the active growth phase.

Better hair care products are needed to protect against grooming and chemical damage.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

Losing eyelashes or eyebrows can be a sign of many different health problems and needs a careful approach to treat effectively.