What Causes Canker Sores?
5. Hormones
People who are undergoing prolonged periods of emotional stress are more prone to developing canker sores. The same goes for people who are run down physically as well as mentally. Shifts in hormone balances are also a potential cause, and this can be caused by factors like menstruation, or menopause.
Not eating a healthy, balanced diet may also be behind canker sores. A lack of vitamins C, B9, and B-12 can cause the sores, while canker sores are also a potential sign of an iron deficiency. In such cases, a change in diet will solve the problem, although supplements can also help where needed.
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