population trends

Inbreeding may have helped cause Neanderthals to go extinct

Neanderthals went extinct around 40,000 years ago -- about the same time that modern humans migrated out of Africa. This has led researchers to believe that modern humans won the competition for resources, leading to the demise of Neanderthals.

US births decline for fourth year in a row, CDC says

The number of births in the United States declined for a fourth year following an increase in 2014, according to a new report from the U.S. Centers for Disease Control and Prevention's National Center for Health Statistics.

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.

Middle-aged black adults see rise in opioid deaths

About 48,000 people lost their lives to opioids in 2017, the latest year for which complete data is available, according to a new study. Synthetic opioids, such as fentanyl, accounted for almost two-thirds of those deaths.

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.

Hong Kong protesters head to dense area

Hong Kong is bracing for another weekend of mass demonstrations, with a protest march scheduled to take place Saturday in one of the world's most densely populated areas.

More people dying from drugs in urban areas than in rural areas

After nearly a decade when US drug overdose death rates were higher in rural parts of the country, drug death rates have shifted to be higher in urban areas, according to a new analysis from the US Centers for Disease Control and Prevention's National Center for Health Statistics.

CDC: US fertility rate falls to 'all-time low'

The general fertility rate in the United States continued to decline last year, according to a new report from the US Centers for Disease Control and Prevention's National Center for Health Statistics.