Is there a proven relationship between stress and canker sores?

Scientific studies led to this day show contradictory results on a correlation between stress and canker sores. However, many people recall stress as the first reason of their canker sores. This link sometimes creates a vicious circle by which stress creates canker sores that increase stress, etc…

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Many women have canker sores in the days before their menstrual cycle

Tip of the day:

Brush your teeth with a flexible toothbrush and be particularly attentive not to hurt your mouth (micro cuts)