KOCHI: Oral ulcers are small, painful, round to oval sores inside the mouth. They may be white, yellow or grey in the centre ...

A person happily gnawing away on a large piece of gum could unleash more than 3,000 microplastic particles, according to the ...

Peptic ulcers may be less common, but their risks—and treatments—are evolving rapidly. Learn about symptoms, causes like H. pylori and NSAIDs, & new therapies.