
People suffering from mouth ulcers often avoid eating different types of cheese such as:

Cheese, however, is one of the most calcium-rich foods. Calcium of course is an important element in the bones & teeth constitution, in the prevention of osteoporosis and in maintaining the nervous system.
20% of people suffering from mouth ulcers believe that cheeses cause mouth ulcers. 28% feel that cheese aggravates their mouth ulcers.