Korea's jobless youth rate hits the highest in February
The U.S. twin birth rate hit a new high in 2014.
Deaths caused by alcohol have continued to increase in America, a new study reported.
The United States' high school gradation rate reached an all-time high of 82 percent in 2013-2014.
Women and men's drinking rates are starting to level out, a new federal study found.
Teenage indoor tanning rates have fallen from 2009 to 2013, a new study reported.
