Jonathan Lambert

A study finds that for countries worldwide, the "democratic experience" — through free and fair elections — plays a larger role than GDP in easing the burden of chronic diseases.

Researchers identified a strain of bacteria that flourishes in the guts of athletes after exercise. When transferred to mice, it gave a big boost in endurance. Could runners' probiotics be on the way?

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

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 U.S. is in the midst of a record-breaking measles epidemic. What brought us here, who is most at risk and what do you need to know now?

Vaccination eliminated measles from the U.S. nearly 20 years ago. But with this year's record-setting outbreak, are we close to measles making a sustained comeback?

It's the only repellent that drives mosquitoes away when they come in contact with it. A new study has a theory about why that is.

While it may seem that heaps of plastic from meal kit delivery services make them less environmentally friendly than traditional grocery shopping, a new study suggests that's not necessarily true.

It's good to feel empathy, right? Not always, according to a forthcoming book. Humans are empathetic beings, and we sometimes harm others, not out of a failure of empathy, but because of it.

The Consumer Product Safety Commission says it identified a rollover hazard and that people should stop using the sleeper immediately. More than 30 deaths have been attributed to its use.