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Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.

The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.

PGD2 stops hair growth and is higher in bald men with AGA.

Genetic factors influence hair traits like shape, color, and greying in Latin Americans.

Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.

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

The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

Fibromodulin might help reduce scarring if increased in adult wounds like in fetal skin that heals without scars.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.

Finasteride helps increase hair growth in men with hair loss.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Fetal wound healing changes with development, affecting inflammation and collagen, which may influence scarring.

Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.

Green tea component EGCG could potentially promote human hair growth.

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

One minoxidil-sensitive potassium channel exists in human hair follicles.

Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.

Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

Finasteride improves hair loss in women with hyperandrogenism.

Growth factors are crucial for hair development and could help treat hair diseases.

Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.

Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.

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 grays due to oxidative stress and fewer functioning melanocytes.

Finasteride can slow hair loss and promote growth in postmenopausal women.

HFMs can help study hair growth and test potential hair growth drugs.

Human hair follicles produce and respond to erythropoietin, helping protect against stress.