What Causes a Cold Sore? Factors can include injury or stress.
Living With Pulmonary Hypertension. High blood pressure in narrowed lung arteries.
What's Behind That Cough? Here are potential triggers.
When a Child Is Sick. Signs you should see a doctor.
Help Keep Germs at Bay. Cover your mouth when you cough or sneeze.
COVID Can Prematurely Age Blood Vessels
Nasal Spray Flu Vaccine Now Available for At-Home Use
Measles Outbreak in Texas Is Over After Hundreds Infected and 2 Deaths
Why Do UTIs Cause Frequent, Painful Urination? Mouse Study Offers Insight
New Means Found For Treating Blood Staph Infections
Do You Have Long COVID? Depends Whom You Ask, Study Says
