Symtoms

The symptoms of oral cancer are:-
1) red, or red and white, patches on the lining of your mouth or tongue
2) mouth ulcers that do not heal after 3 weeks
3) swelling in your mouth that lasts for more than 3 weeks
4) pain when swallowing
5) tooth becomes loose for no obvious reason
6) persistent pain in the neck
7) hoarse voice
8) unusual changes in your sense of taste
9) earache
10) the lymph nodes in your neck become swollen
11) weight loss

How to prevent?
Avoid tobacco usage
Limit alcohol consumption
Get professional screening