What Causes a Cold Sore? Factors can include injury or stress.
Avoid Canker Sore Pain. Watch what you eat and drink.
Living With Pulmonary Hypertension. High blood pressure in narrowed lung arteries.
Want Healthier Lungs? Here's what you can do.
Protect Against Flu During Pregnancy. Get the yearly flu shot.
The Reason Why Many Older Americans Skip Seasonal Vaccines
Measles Spreads to College Campuses as Cases Rise Across 17 States
Two Measles Cases Found at Texas Immigrant Detention Center
Arizona Confirms Measles Case in ICE Custody as State Total Rises
52 Kids Have Died From Flu So Far This Season as Child Hospitalizations Rise
South Carolina Measles Outbreak Now the Largest in Recent U.S. History
