Health experts say mouth sores, also known as oral ulcers, can result from various causes, including stress, minor mouth injuries, hormonal changes, or certain foods that irritate the mouth lining.

Stage 1 oral cavity cancer is characterized by small, localized tumors with high survival rates, often detected early through routine exams. Diagnosis involves oral exams, biopsies, and imaging to ...

Detailed price information for Astrazeneca Plc ADR (AZN-Q) from The Globe and Mail including charting and trades.