Health & Safety

Humans have been smoking pot to get high since the first millennium B.C. Archaeologists have found early evidence of cannabis use from wooden bowls exhumed from ancient tombs in western China.

Some scientists say we've entered a new geological epoch — the anthropocene era — defined by the human impact on the global landscape. Three artists traveled to 22 countries to see what we've wrought.

The agency says that while the outbreak in central Africa is taking a heavy toll, there is still a low threat that it will spread beyond its current region.

The FDA has strengthened oversight of experimental fecal transplants after a patient died of an infection. The donor's stool contained disease-causing pathogens, but was not tested before use.

The World Health Organization met Friday to discuss developments in the Ebola outbreak in the Democratic Republic of Congo. The meeting was prompted by three cases that appeared in Uganda this week.

Attorneys who represent hundreds of local governments have a new proposal for how to deal with the opioid crisis. They unveiled the framework for nationwide settlement in federal court on Friday.

Kennedy Odede was frightened by the prospect of becoming a dad: "I should do it the right way. But by the way ... what is the right way?"

It all began when a member of the Balochistan assembly brought her 8-month-old son to a session.

Nonprofits and advocacy groups use the rankings as a tool to name and shame countries into improving their policies. But the indexes do have some drawbacks.

As a society, we talk about sex more openly today than ever before. But so much still goes unsaid. This week on the Hidden Brain radio show, complicated stories of intimacy and attraction.

The median air ambulance bill is more than $36,000 and is seldom covered by health plans. So far, legislative hurdles and industry pressure have kept Congress from stepping in.