Engaging, mentally stimulating work is good for the brain, scientists say, whether you get paid to do it or not. Running a household can be as mentally demanding as running a company. iStockphoto hide caption

Back in 2012, Silver Diner — a fast-casual restaurant chain in Maryland and Virginia — completely overhauled its children's menu. Those changes helped dramatically improve the healthfulness of kids' meals ordered, a new study finds. Ron Cogswell/Flickr hide caption

Graze the Roof is a community-produced garden that grows vegetables on the rooftop of a church in San Francisco. Sergio Ruiz/Flickr hide caption

The government of Peru is partnering with culinary stars — like celebrity chef Gaston Acurio, shown here in his restaurant Astrid & Gaston in Lima in 2014 — to promote Peruvian cuisine around the world. Ernesto Benavides/AFP/Getty Images hide caption

A student reads inside her home in Srinagar, India, as her sister points to a sketch resembling a male police officer in a first-grade textbook Mukhtar Khan/AP hide caption

Will adult children seek care if their parents can find out about it? Maria Fabrizio for NPR hide caption

Medics surround a wounded U.S. soldier as he arrives at Kandahar Air Field in Afghanistan. Chris Hondros/Getty Images hide caption

Most teenagers with mental health problems don't get any help. iStockphoto hide caption

A 16th century woodcut shows the interior of a kitchen. In medieval Europe, cooks combined contrasting flavors and spices in much the same way that Indian cooking still does today. Paul Lacroix/Wikimedia hide caption

Hey, I'm not texting. Surely this is safe. iStockphoto hide caption