The alleged perpetrators of three high-profile murders in recent months are believed to have been suffering from mental illness. Stein says, "We have a real problem."

But researchers say they're not ready to recommend the high-fat, low-carb diet just yet.

It has been impossible to escape the images and video coming out of Minneapolis.

A special corps of health care workers have been called in to work with detained immigrants and many feel deeply conflicted about the assignment, saying they're not able to provide good care.

As South Carolina's outbreak grows to 876 confirmed cases, vaccinations in the state surged in January. Cases have also been reported in two ICE detention facilities.

Cutting back on ready-to-eat meals won't be easy, and whole milk may make a comeback. One thing that's certain: It'll be a while before the new guidelines trickle down to schools.

South Carolina released the newest numbers on its measles outbreak, and there's news of other cases around the country.

Parkinson's disease can affect sleep, thinking and smell, as well as movement. A new study may explain why.

Despite issues with her heart, this octogenarian still competes in triathlons. She's proof that preventive medicine paired with smart lifestyle choices help seniors stay active longer.

In South Africa, paleontology has been dominated by white people. Lazarus Kgasi is changing that dynamic — and coloring in the picture of the world our distant ancestors once inhabited.