
(HealthDay News) -- Canker sores are painful ulcers that form inside the mouth. While they're not contagious, they can impede eating and speaking.
The Cleveland Clinic offers this advice for reducing your risk of developing canker sores:
Is It a Cold, Flu or COVID? An Expert Helps You Sort It Out
How To Fight Common Wintertime Respiratory Viruses
Experimental Nasal Spray Might Ward Off Multiple Viruses
Moderna's Combo Flu and COVID Shot Shows Promise
Is It a Cold, Flu or COVID? An Expert Helps You Sort It Out
How To Fight Common Wintertime Respiratory Viruses
Second Flu Vaccine Meeting Canceled -- What Happens Next?
CDC Reports Potentially Troublesome Mutations in Bird Flu Found in Louisiana Patient