What Causes a Cold Sore? Factors can include injury or stress.
Is the Nasal Spray Flu Vaccine for You? Some shouldn't get it.
Could You Have the Flu? Here are possible symptoms.
Recognizing COPD. Possible symptoms of chronic obstructive pulmonary disease.
Why the Frequent Nosebleeds? What can cause them in children.
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
