calories

Scientists have long been fascinated with whether dramatically restricting the amount of food we eat can help us live longer. New research suggests it might, but the question is, is it worth it?

Archaeological records show ancient humans sometimes ate each other. A new study suggests that hunting and eating other humans cost too much effort to be a regular thing. So why'd they do it?

Health concerns surrounding trans fats led many food manufacturers to abandon partially hydrogenated oils. Palm oil has helped fill the void. But guess what? It's high in saturated fat.

Would you eat a double cheeseburger if you knew it took two hours of walking to burn it off? Participants in a new study said, hmm, maybe not. The researchers say that exercise-based labels could do a better job than calorie counts at steering people to healthful choices.