Eduard Egarter-Vigl (left) and Albert Zink (right) sample Italy's mummified iceman for genetic analysis in November 2010. Previous research suggests he, too, was predisposed to heart disease.
A fisherman pulls a basket filled with anchovies aboard a fishing boat off of Peru's northern port of Chimbote, in 2012. Peru is the world's top fishmeal exporter, producing about a third of worldwide supply.
A U.S. company that supplies meat to some fast-food chains in China has pulled all of its products, some of which were chicken nuggets sold in Hong Kong, made by a Chinese subsidiary.
Spain's Alberto Contador eats a banana in as he rides in the pack during the sixth stage of the Tour de France on July 10, 2014. The cyclists aim to eat up to 350 calories an hour as they ride, and up to 9,000 calories a day.
Soylent CEO Rob Rhinehart holds a bag of finished product in September 2013. Rhinehart recently discouraged members of the company's DIY online community from competing directly with Soylent.
Josh Edelson/AFP/Getty Images
A nutrient-dense diet may help tamp down stress. And these foods may help boost our moods (clockwise from left): pumpkin seeds, sardines, eggs, salmon, flax seeds, Swiss chard and dark chocolate.