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Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.

Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.

A man developed skin issues from cancer medication, which improved with specific treatments.

Calcium signals and SHH guide the direction of feather growth in chicken skin.

Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.

PRP is a promising treatment for autoimmune hair loss but its exact workings are not fully understood.

Early anti-aging hair treatments should focus on anti-inflammatory agents and promoting healthy hair growth cycles.

Nonmelanoma skin cancers have higher levels of certain osteopontin variants than normal skin.

Baby and adult skin cells are different, with baby cells having more active pathways that could help grow new hair follicles.

Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.

A vitamin and mineral supplement significantly reduced hair shedding in Brazilian women with telogen effluvium.

Blocking Oncostatin M's role in the JAK-STAT pathway can stimulate hair growth in mice.

Hormones and neuropeptides affect hair growth, with androgens having opposite effects on beard and scalp hair.

A young woman with a rare fungal infection showed significant improvement after treatment with antifungal medication.

Some alternative treatments may help with hair loss, but more evidence is needed to confirm their effectiveness.

Chronic kidney disease can cause hair loss, which may be related to zinc deficiency or certain medications, and sometimes hair grows back when the underlying issue is treated.

North American ginseng extract helped regrow hair in balding mice.

Up to 10% of hair loss patients might have early signs of a condition called Lichen Planopilaris.

Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.

High levels of fatty acids are linked to increased androgen production and inflammation in women with PCOS, which may affect IVF outcomes.

Androgenic alopecia, a common hair loss condition, is linked to changes in androgen metabolism and genetics, and can be treated with finasteride and minoxidil, but these treatments are only fully effective in 10% of patients.

Oregano extract can promote hair growth and has antioxidant benefits without being toxic.

Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.

Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.

Certain immune system genes are linked to a higher risk of psoriasis and psoriatic arthritis, while others may offer protection.

Children receive less than half of recommended health care, and routine hormonal testing for female-pattern hair loss is unnecessary without other androgen excess symptoms.

The 2004 hair research meeting presented new findings on hair cell differentiation, genetic factors in hair loss, hair pigmentation, and potential targeted therapies.

The document concludes that Syndromes of Severe Insulin Resistance are rare disorders with limited treatment options.

Different substances affect hair and skin cell growth in various ways, with some promoting and others inhibiting cell proliferation.

Finasteride may cause lasting sexual and mental health issues, and genetic screening could help prevent them.