Susie Neilson

The startup Mahmee hopes to help OB-GYNs, pediatricians and other health providers closely monitor a mother and baby's health so that any red flags can be assessed before they become life-threatening.

An engineer has invented a new way to test for the presence of cholera bacterium in water. The test could be useful in remote areas, because it's lightweight and self-contained.

The government asked manufacturers to complete safety studies on the active ingredients in sunscreens by November. In the meantime, what do you need to know about the goo you slather on your skin?

Among the possibly harmful compounds are "acetals," which form when some ingredients combine on the shelf, researchers say, and can inflame airways when inhaled.

We spoke to teen activists at the Girl Up event in Washington, D.C., this week. They had a lot to say about everything from buzzwords that make them mad to the best ways to de-stress.

A study shows the main drivers of Juul's social media presence are young people and third-party vendors, not the company itself. And vaping continues to look cool online among young people.

In a new project, photographer Robin Hammond made portraits of women who've lived through fighting and violence. He found pain, sorrow, anger, hope — and even joy.