What Causes a Cold Sore? Factors can include injury or stress.
Prevent Respiratory Infections. Continue.
Coping With Nasal Congestion. What adults can do.
Cold, Flu or Allergy? Continue.
Using Decongestants. They aren't safe for everyone.
Single-Dose Penicillin Effective Against Early Syphilis
One Dose of RSV Vaccine May Shield Older People for Two Seasons
Heart Patients Urged To Seek Vaccination For Common Infectious Diseases
Roll Up Your Sleeve: Flu Shot Season is At Hand
COVID-19 Linked To Asthma, Seasonal Allergies
COVID Can Prematurely Age Blood Vessels
