S. Korean MERS cases rise to 122
South Korea reported 14 new cases of Middle East Respiratory Syndrome (MERS), including the first pregnant woman infected by the potentially deadly virus.
Beijing raises cigarette tax to deter smoking
China will more than double the tax on tobacco to 11 percent, as authorities try to deter smoking in the world's largest producer and consumer of tobacco.
E-cigarette use triples in US teens
Some two million US high school students tried e-cigarettes last year, a rate that tripled in just one year, US health authorities said.