Alopecia areata is an autoimmune disease that causes hair loss, mostly in small, round patches. Learn more about the causes & risk factors.

What is alopecia areata? It is a condition that attacks your hair follicles (they make hair). In most cases, hair falls out in small, round patches.

¿Qué es la alopecia areata? Es una enfermedad que ataca los folículos pilosos (las estructuras de la piel que producen el pelo). En la mayoría de los casos, el pelo se cae en mechones pequeños y …

Alopecia areata is an autoimmune disease that causes hair loss, mostly in small, round patches. Learn more about the causes & risk factors.

Jun 5, 2025 · Alopecia Areata What is alopecia areata? It is a condition that attacks your hair follicles (they make hair). In most cases, hair falls out in small, round patches.

Mar 22, 2023 · Types of Autoimmune Diseases There are several types of autoimmune diseases. These include the following. Alopecia areata happens when the immune system attacks hair follicles and …

Jun 5, 2025 · Find information on diagnosis, treatment, and prevention for skin conditions caused by allergies, irritants, genetic makeup, certain diseases, immune system problems and more.

What is alopecia areata? It is a condition that attacks your hair follicles (they make hair). In most cases, hair falls out in small, round patches.

The mission of the NIAMS is to support research into the causes, treatment, and prevention of arthritis and musculoskeletal and skin diseases; the training of basic and clinical scientists to carry out this …

May 22, 2023 · Alopecia areata ¿Qué es la alopecia areata? Es una enfermedad que ataca los folículos pilosos (las estructuras de la piel que producen el pelo). En la mayoría de los casos, el pelo se cae …