(HealthDay News) -- Canker sores are ulcers that form inside the mouth that can make eating and drinking painful.
The American Dental Association suggests how to help heal a canker sore:
Pentagon Drops Flu Vaccine Requirement For U.S. Military
Moderna’s mRNA Flu Vaccine Back Under FDA Review
52 Kids Have Died From Flu So Far This Season as Child Hospitalizations Rise
Tamiflu Helps Keep Severely Ill Kids Out Of The ICU, Study Finds
Nasal Spray Flu Vaccines Create 'Battlefield' In Adults' Noses