About 1% of people worldwide have hidradenitis suppurativa (HS)—a higher rate than past reports—with women more likely than men to be affected, according to a recent study in JAMA Dermatology.

HS is a chronic inflammatory skin disease that causes painful nodules and abscesses, typically in areas where skin rubs together, such as the underarms, groin and under the breasts. Frequently misdiagnosed as acne or boils, HS can lead to scarring, restricted mobility and a major reduction in quality of life.

The condition is also linked to higher mortality, psychosocial burden and metabolic and inflammatory complications. Despite its impact, global data on HS has been limited, and past findings were inconsistent due to differences in study design and methodology.

To address these gaps, the Globa

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