A dentist has spoken out about the red-flag signs to look out for when it comes to oral cancer - which, as the NHS describes, ...

Pollack says they look like blisters – red, raised, and painful bumps. They typically occur outside of the mouth on and around the lips, but it is possible for them to occur on your tongue ...

For some lucky people, mouth ulcers are a one-time occurrence. Often, though, they reappear four to five times a year ...