What Causes a Cold Sore? Factors can include injury or stress.
Protect Yourself From Wildfire Smoke Exposure. Stay inside and try to keep indoor air clean.
When Taking a Decongestant. Know what it contains.
Help Protect Kids from Flu. If they're 6 months or older, have them vaccinated.
Chronic Cough Could Signal Lung Disease. Here are common warning signs.
Global Measles Cases Surge as Vaccination Rates Fall, WHO Warns
New Trial Shows Pfizer’s mRNA Flu Shot Beats Traditional Flu Vaccine
New Flu Variant Could Bring Another Severe U.S. Season
Long COVID Can Take Eight Different Paths, Experts Say
New Measles Spread Across States Threatens U.S. Elimination Status
COVID Vaccination Safer For Kids' Heart Health Than Infection, Study Says