Are you someone who frequently gets canker sores? by Dr. Jason Brown – As seen in the Waukee Living magazine Are you someone who frequently gets canker sores or other painful spots in the mouth that keep you from getting a good night’s sleep? Canker sores, or aphthous ulcers, can occur from a variety of reasons. Most commonly they can occur due to food sensitivities, mouth wash/toothpaste containing sodium lauryl sulfate, hormone shifts, or even emotional stress. Vitamin deficiencies such as B12, iron, zinc, or calcium make younger children more prone to canker sores. How do...