Opinion|Videos|July 23, 2025

Epidemiology Associated With Alopecia Areata

Name: Epidemiology Associated With Alopecia Areata
Uploaded: 2025-07-23T19:00:00.000Z
Duration: pt4m14s
Description: Epidemiology Associated With Alopecia Areata

Author(s)Ryan Haumschild, PharmD, MS, MBA, Amy McMichael, MD , Benjamin Ungar, MD

Key Takeaways

Alopecia areata is a chronic autoimmune disorder causing non-scarring hair loss due to immune system attacks on hair follicles.
Breakdown of immune privilege in hair follicles leads to infiltration by cytotoxic T cells, particularly CD8+ T cells.
Inflammatory cytokines like IFN-γ and TNF-α are key contributors to immune-mediated hair follicle destruction.
The chronicity of alopecia areata is linked to persistent immune dysregulation and genetic predisposition.

Panelists discuss how the epidemiology of alopecia areata (AA) varies across different patient populations, with certain forms of the disease being more prevalent in specific groups.

Video content above is prompted by the following:

Ungar: What is the epidemiology of AA, and can you describe the different forms of AA that you see in your practice?
1. Is there a population in which AA occurs more frequently based on your clinical experience?

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Epidemiology Associated With Alopecia Areata

Key Takeaways

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