What Causes a Cold Sore? Factors can include injury or stress.
Breathe Easier in a Volcano Zone. Continue.
When to Seek Medical Care if You Have the Flu. Continue.
Mouth Piercings Can Be Dangerous. Here's what could happen.
Having Trouble Swallowing? Continue.
U.S. Sees Highest Measles Case Count in Decades as Outbreaks Grow
Holiday Flu Surge Drives Record Illness Across the U.S. — Here's What You Can Do
New Rapid Test IDs Bacteria Involved In Urinary Tract Infections, Possibly Improving Treatment
Flu Season Starts Early in NYC as Cases Rise Fast
COVID Vaccine During Pregnancy Reduces Risk Of Preterm Birth
COVID Vaccines Cut ER Visits for Children, CDC Reports
