Maria Fabrizio for NPR

Eating eggs with your salad helps boost absorption of carotenoids — the pigments in tomatoes and carrots. Photo illustration by Meredith Rizzo/NPR hide caption

itoggle caption Photo illustration by Meredith Rizzo/NPR

Inside a Brown's Super Store. Brown's operates seven profitable supermarkets in low-income neighborhoods in Philadelphia. Courtesy of Brown's Super Stores, Inc. hide caption

itoggle caption Courtesy of Brown's Super Stores, Inc.

A distinct version of the Mediterranean diet is followed on the Blue Zone island of Ikaria, Greece. It emphasizes olive oil, vegetables, beans, fruit, moderate amounts of alcohol and low quantities of meat and dairy products. Gianluca Colla/Courtesy of Blue Zones hide caption

itoggle caption Gianluca Colla/Courtesy of Blue Zones

Beginning April 1, all sugary beverages and food of "minimal-to-no nutritional value" sold on the Navajo reservation will incur an additional 2-cent tax. April Sorrow/Flickr hide caption

itoggle caption April Sorrow/Flickr

NPR senior Washington editor Beth Donovan walks on a treadmill desk in her office in Washington, D.C. Meredith Rizzo/NPR hide caption

itoggle caption Meredith Rizzo/NPR

An economist with the Rand Corporation argues that Los Angeles' fast-food ban failed because it merely blocked new construction or expansion of "stand-alone fast-food" restaurants in neighborhoods where that style of restaurant was uncommon to begin with. David McNew/Getty Images hide caption

itoggle caption David McNew/Getty Images

(Left to right) Rodeo concessions include the loaded potato; deep-fried chocolate cupcake and the Texas Tater Twister, a spiral-cut tater on a sausage, deep-fried. (Left and Center)Robert Young/Flickr; Dave 77459/Flickr hide caption

itoggle caption (Left and Center)Robert Young/Flickr; Dave 77459/Flickr

Celebrity chef Giada De Laurentiis during a guest appearance on ABC's The Chew last fall. She can cook rich foods and keep her trim figure, but new research suggests that's a difficult feat for amateur cooks watching along at home. Lou Rocco/ABC/Getty Images hide caption

itoggle caption Lou Rocco/ABC/Getty Images

A daily cup of joe (or two) may help protect against Type 2 diabetes and cardiovascular disease. And an egg a day will not raise the risk of heart disease in healthy people, according to a panel of nutrition experts. Premshee Pillai/Flickr hide caption

itoggle caption Premshee Pillai/Flickr

Participants in a boxing class designed specifically for people with Parkinson's disease at Fight 2 Fitness gym in Pawtucket, R.I. Joel Hawksley for NPR hide caption

itoggle caption Joel Hawksley for NPR

One reason cooking at home might be linked to poor health? Researchers say it could be because there are too many unhealthful baked goods coming out of the oven. Amriphoto/iStockphoto hide caption

itoggle caption Amriphoto/iStockphoto