Yet the chart tells us that the food system generated 463 calories from “meat, eggs, and nuts” in 1970 and and 482 calories from those foodstuff in 2008. That’s just a 4 percent increase.

Like most people at this time of year, statistician Nathan Yau has calories on the brain. But you'll find no sugar plum visions here; Yau is thinking about fast food---specifically, how to eat ...

You may often hear about a balanced diet. But what is it exactly? Find out which nutrients make up a balanced diet and get some tips on healthy choices.