What Causes a Cold Sore? Factors can include injury or stress.
If You Get the Flu While Pregnant. Continue.
Don't Breathe Outdoor Smoke. Steer clear to avoid breathing problems.
The Benefits of Oxygen Therapy. Here's how it can help.
When Wildfires Are Near. Suggestions to avoid smoke inhalation.
Do You Have Long COVID? Depends Whom You Ask, Study Says
Summer COVID Surge Continues as Wastewater Levels Rise, CDC Says
Tamiflu Safe For Children, Study Concludes
Flu-Linked Brain Swelling Is Rare in Kids, But It Can Be Fatal
COVID Vaccines Saved More Than 2.5 Million Lives, Mostly Seniors
Vitamin D Might Offer Protection Against COVID-19
