A canker is the result of repeated frustrated attempts on, the part of the callus to heal up a wound.
A thoroughly healthy, well-balanced, harmonious nature, accepting life as it came, with all its joys and sorrows, and living it beautifully and hopefully, without canker and without uncharity.
Children who have frequent canker sores may benefit from dietary supplements of B-complex vitamin or may undergo blood and allergy tests to see if some other underlying cause can be identified.
canker of winter oilseed rape in the UK.
Without treatment, canker sores heal in two weeks or less.