Morning Edition

Thousand Island dressing – you know it as the mix of ketchup, mayo and a few other things that tops a Reuben or many a burger. In other words, it's pedestrian fare.

But did you know its origins trace back to the highest ranks of American society?

This story is part of a series from NPR Ed exploring the challenges U.S. schools face meeting students' mental health needs.

Every year, thousands of children are suspended from preschool.

Take a second to let that sink in.

According to the U.S. Department of Education, 6,743 children who were enrolled in district-provided pre-K in 2013-14 received one or more out-of-school suspensions.

It really hit Terry White eight years ago when he was at the mall with his wife. He was out of breath every few minutes and had to sit down. "My wife told me I had to get to the gym and lose weight," he says.

He had dieted most of his life. "I've probably lost 1,000 pounds over the years," says White, a realtor in North Myrtle Beach, N.C. But he put most of it back on.

Hundreds of clinics around the country are offering to treat a long list of health problems with stem cells.

The clinics claim that stem cells found in fat tissue, blood, bone marrow and even placentas can help people suffering from arthritic joints and torn tendons to more serious medical problems, including spinal cord injuries, Parkinson's disease and strokes. Some even claim the cells can help children with autism.

But leading stem cell researchers say there's not enough evidence to support the clinics' claims.

Samsung Electronics is recalling its brand-new smartphone, the Galaxy Note 7, after dozens of users reported the devices exploded or caught fire.

Samsung traced the problem to a flaw in the phone's lithium battery, and issued a voluntary global recall.

Samsung is offering to replace all 1 million devices already in the hands of consumers in 10 countries, and it's recalling the shipments of the Galaxy Note 7 that have already gone out.