The Centers for Disease Control and Prevention is warning people to get an influenza shot after a bad start to the flu season.
The discovery might explain why a disease that was considered mostly harmless became so dangerous so quickly.
A new report shows the rate of adults in the U.S. with alcohol use disorder increased from 8.5 percent in 2001 to 12.7 percent 2013.
More than 28,000 people died from opioid overdoses in 2014, the highest number on record, according to the CDC.
Federal statistics show that drug overdose deaths have reached record levels in rural parts of southern Colorado.