If you're a calorie counter, you are probably constantly checking the nutrition labels of everything you eat. It's just part of trying to stay fit, be healthy, keep track of your diet, right?
But what if those calories you've been counting are wrong? And not just by a little, but by as much as 50 percent. That's what Rachel Carmody, post-doctoral fellow at Harvard University, says.
Today, she's making the case at the American Association for the Advancement of Science that the way calories are counted and listed on your food needs an update.