Maria
I've had canker sores most of my life. I've even gone through the mayo clinic in Rochester Minnesota. They always told me to stop chewing gum and sucking on suckers. I found it didn't work. I've have found I only get canker sores during my menstrual cycle- about a week before. I have found I'm low on iron during that time . I have started taking iron supplements a has worked wonders- no more cankersores.