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Only 1 percent of Italians have celiac disease, similar to the rest of the world. But since gluten is everywhere, there's high public awareness about it and more than 4,000 gluten-free eateries.

The number of people sleeping in New York's shelters has been slow to fall after hitting a record high of 59,000 last year. Advocates for the homeless say more New Yorkers are living on the streets.

Deaths from heroin nearly tripled between 2010 and 2013, and demand for the drug isn't dropping. Towns across the U.S. are grappling with the deadly epidemic — including a once-idyllic town in Ohio.

The mostly Syrian migrants have been crowding the border area at a rate of 2,000 a day in hopes of reaching northern Europe.

Don't plan on seeing familiar faces in Fear the Walking Dead, the prequel to the hit series. Show-runner Dave Erickson says the new series offers a chance to see the apocalypse viewers missed.

People in the Spanish city of Bilbao have a mission: to cut down on food waste. Now, to prevent food from going directly into the garbage, residents just send it to the Solidarity Fridge.

David Vine's new book argues that the hundreds of U.S. bases in other countries come at a high cost, both at home and abroad. He suggests reducing such bases and increasing diplomatic engagement.

The Senate minority leader says he endorses the deal because it prevents Iran from making good on threats against Israel. The support of the Senate's top Democrat is a big boost for President Obama.

A lack of sleep can increase the risk of traffic accidents, heart attacks, diabetes and maybe even Alzheimer's disease, research suggests. Yet most people with sleep disorders don't get treatment.

As Biden considers whether to launch a presidential bid, he met with Sen. Elizabeth Warren over the weekend. She's not running for president but has passionate supporters.