Lunch with oysters and wine by Frans van Mieris, 1635-1681. Universal Images Group/UIG via Getty Images hide caption

itoggle caption Universal Images Group/UIG via Getty Images

Last year, Long John Silver's Big Catch platter — which contained a whopping 33 grams of trans fats — won the dubious distinction of "worst restaurant meal in America" from a health watchdog group. Now, the fast-food chain says it has ditched the unhealthful fats from its menu. Tom Spaulding/Flickr hide caption

itoggle caption Tom Spaulding/Flickr

A study found that a Mediterranean diet with extra nuts and olive oil was associated with a lower risk of a cardiovascular condition called peripheral artery disease. Heather Rousseau/NPR hide caption

itoggle caption Heather Rousseau/NPR

Students pick up their lunch at Barre Town Elementary School on Sept. 3, 2013 in Barre Town, Vt. Toby Talbot/AP Photo hide caption

itoggle caption Toby Talbot/AP Photo

Lilly Symer, 2, helps her mom, NPR reporter Allison Aubrey, make a walnut-based pie crust. Allison Aubrey/NPR hide caption

itoggle caption Allison Aubrey/NPR

Regular nut consumers had about a 20 percent reduction in all-cause mortality, including lower death rates from heart disease and cancer, a study found. iStockphoto hide caption

itoggle caption iStockphoto

Shelburne Farms' clothbound cheddar has a bright yellow color because it's made from the milk of cows that graze on grasses high in beta-carotene. Courtesy of A. Blake Gardner hide caption

itoggle caption Courtesy of A. Blake Gardner

A crostini of smoked trout, hard-boiled egg, aioli and roe at The Red Hen in Washington, D.C. Owner/Chef Michael Friedman says Mediterranean cooking is simply a tweaking of basic cooking ideas. Courtesy of Brian Oh hide caption

itoggle caption Courtesy of Brian Oh