For example, if you are gluten intolerant, you probably have sores in your intestinal tract, but they can also show up in the mouth as small, painful recurrent canker sores
WHO: The 60 million Americans who suffer from recurrent canker sores
don't have to worry about a painful sore derailing their Valentine's Day plans.
Recurrent canker sores afflict about 20% of the general population.
Women are more likely than men to have recurrent canker sores.
Persons having frequently recurrent canker sores
should therefore seek medical attention to rule out more serious problems.
In the United States, market research indicates that 15 million patients suffer recurrent canker sores
of which 5 million patients are chronic sufferers, which constitute the groups most likely to seek physician advice on the condition.