Reasons For Canker Sores I Think I Have A Canker Sore On The Inside Of My Bottom Lip. What Caused It?

I think I have a canker sore on the inside of my bottom lip. What caused it? - reasons for canker sores

I smoked a cigarette and brushing your teeth every day and the next day I had the plague. The reason that the brush was not because he recovered from jet lag and sleep all day.

Is that why I have this pain?