10 Causes Of Canker Sores
Reviewed: Dr. Gromatzky
Cause #2: Genetics
While genetics may not be the exact cause of canker sores, it has been found that the condition may run in families. In other words, if there was someone in your family with the condition, you are more likely to get it than someone whose family has no history of canker sores. Some studies suggest that 30 to 40 percent of canker sores cases can be linked to family history of the condition.
It is also estimated that children whose parents have aphthous ulcers have a 90 percent risk of developing the condition. Whether this happens as a result of an inherited immunity issue or otherwise is not known.
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