What Causes a Cold Sore? Factors can include injury or stress.
Reduce the Risk of Canker Sores. Avoid acidic foods.
At Greater Risk of Flu Complications? Check these risk factors to find out.
What's Polluting the Indoor Air? Smoke, chemicals and vehicle exhaust are common sources.
Identifying Signs of the Common Cold. Here are typical symptoms.
U.S. Health Agencies Call for Pause in J&J COVID Vaccine After 6 People Develop Clots
Most Parents OK About School Rules for Kids' Return to Sports: Poll
Newborns Won't Get COVID Through Infected Mom's Breast Milk: Study
U.K. Variant Won't Trigger More Severe COVID, Studies Find
Had Facial Fillers? What You Need to Know About COVID Vaccines
Antibody Cocktail May Curb Infection in Unvaccinated Who Are Exposed to COVID-19
