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Lifestyle choices like stress, smoking, heavy drinking, sun exposure, and chemical hair treatments might speed up hair loss in people with androgenetic alopecia.

Minoxidil helps hair regrowth in alopecia, but more research needed.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Injected human hair follicle cells can create new, small hair follicles in skin cultures.

Hair transplantation surgery has improved, becoming more popular and efficient, but patient dissatisfaction remains due to unrealistic expectations.

Most bald men don't protect their scalp from the sun, and doctors should encourage prevention.

The document concludes that stem cell therapies lack solid proof of effectiveness, except for blood system treatments, and criticizes the ethical issues and commercial exploitation in the field.

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

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Alopecia areata significantly lowers the quality of life, especially in emotional and mental health aspects.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Minoxidil helps heart function but doesn't improve exercise ability and may cause complications.

Activating TRPV3 stops human hair growth.

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

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

Nutraceuticals may improve skin health and protect against aging, but more research is needed on their optimal use and possible health risks.

EGF makes hair follicles grow longer but stops hair production.

Oxidative stress affects hair loss in men with androgenetic alopecia.

Antioxidants can benefit skin health but should be used carefully to avoid negative effects.

Certain genes control the color of human hair by affecting pigment production.

Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.

Nearly half of the French individuals surveyed reported having a sensitive scalp, more common in women, often linked to hair loss and symptoms like itching, and triggered by factors including shampoos and pollution.

Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.

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

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

Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.

The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.