population trends

Why US life expectancy still on decline

Life expectancy at birth -- the average length of time that you are expected to live -- continues to drop for Americans, a new study finds. Drug overdoses, suicides, alcohol-related illnesses and obesity are largely to blame. These problems have been building since the 1980s, according to the study's authors.

Why pregnant Chinese women are smuggling their blood

Custom officers stopped the middle-aged woman because of her strange, lumbering gait. They searched her and found vials of blood stashed in her bra, according to an official statement. Each one was labeled with a pregnant woman's name from China.