CDC

Rick Bowmer/AP

For the second time in three years, life expectancy in the U.S. has ticked downward. In three reports issued Thursday, the Centers for Disease Control and Prevention laid out a series of statistics that revealed some troubling trend lines — including rapidly increasing rates of death from drug overdoses and suicide.

CDC Director Robert Redfield described the data as "troubling."

flickr/jamesjordan

Travis County health officials have confirmed the second case of Zika virus in the region. With peak mosquito season approaching, what should people be watching out for?