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Alopecia areata in elderly people is usually mild and responds well to treatment.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Early hair whitening may indicate a higher risk of heart disease in young and middle-aged men.

Henna dye improves hair cuticle and thickness but effects vary by hair type and health.

Rice bran extract boosts melanin production in hair follicles.

Gray hair regained color after thyroid hormone treatment.

Early hair loss in men and women may indicate a higher risk of heart disease and metabolic problems.

Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.

Acitretin treatment unexpectedly darkened a patient's gray hair.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Cathepsin L is essential for normal hair growth and development.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Muscles and nerves that cause goosebumps also help control hair growth.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

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

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

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

New hair products are being developed to keep hair and scalp healthy for everyone.