Archeologists in southern France have studied bones spanning 8,000 years to reveal how humans caused domestic animals to grow in overall size, while wild animals shrank.

In a world full of smartphones, tablets, and computers, how much media time is acceptable at what stage of life? Though there's little data on the issue, there are still a few principles on which most experts agree.

Antidepressants treat depression and other mental conditions. But some people say the drugs ease physical aches, too. The evidence, however, is sobering.

Loneliness isn't often linked to Africa, but it is very common. Most affected are young people dealing with changing social and family structures.

A new database tells the stories of victims of forced medical research during the Nazi era. What role do the specimens and findings from that time play in modern medicine and research?

Experts say conflict in Sudan and South Sudan has caused cholera infections to surge. The disease, which is endemic to parts of Africa and South Asia, can be prevented and treated if detected quickly.

Cured meats and sausages often contain nitrite, a preservative, which also enhances flavor. But at high temperatures, nitrite can form carcinogens.

The Finnish capital Helsinki went a whole year without a traffic fatality. Smart, data-driven city planning helped.

Hot weather can make it hard to get a good night's rest. But there are scientifically proven methods to fall asleep quickly.

US Government cuts to mRNA vaccine research could set back technological advances and reduce access to therapies, while raising their costs.