Heritability of Recurrent Aphthous Ulcers: Evidence from a UK Twin Cohort

Researchers examined 890 UK twin pairs to estimate how much genetics contributes to recurrent aphthous ulcers, finding heritability of approximately 56%, with genetic influence varying across different ulcer characteristics like frequency and size.

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.