Special Needs & Medical Study ✓ Peer reviewed

Association Between Habitual Khat (Catha edulis) Chewing and Oral Reactive Hyperplastic Lesions: A Cross-Sectional Clinicopathological Study in Yemen.

Clinical, cosmetic and investigational dentistry · Al-Ashwal AM, Rajeh SAY, Jubarah R, Al Moaleem MM, Al-Affari HG, Khaled A, Sayal L · 2026-09-03

Researchers examined oral reactive hyperplastic lesions in 1197 Yemeni patients and found that habitual khat chewing was associated with larger lesions and worse periodontal health, though it did not affect lesion location or histopathological type.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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