When Deep Vein Thrombosis Causes Symptoms. See your doctor immediately.
When It's Difficult to Swallow. Possible causes for dysphagia.
What Causes a Cold Sore? Factors can include injury or stress.
Help Keep Germs at Bay. Cover your mouth when you cough or sneeze.
Warding Off the Flu When You Have Asthma. Protect yourself from complications.
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
5,000+ Measles Cases Threaten Canada’s Elimination Status