Becoming noticeably warmer tomorrow
May 19, 2013; 8:00 AM ET The 2013 severe weather season took a dangerous jump on Wednesday when an EF-4 tornado ripped through the town of Granbury, Texas, just southwest of Fort Worth.
Researchers have been studying the role vitamin C plays in preventing and treating the common cold for more than 60 years.
Influenza infections follow distinct patterns around the world, and a new study links some of these changes to the local climate.
An emerging superbug is infecting an increasing number of people in the United States.