This Halloween, when you grab a candy bar, pay attention to the wrapper. In the United States, a "nutrition facts" label has been required for all packaged foods since 1994, giving the serving size ...

OK, what is a calorie, anyway? It’s a unit of energy, defined as the amount of energy needed to raise the temperature of 1 liter of water by 1 degree Celsius. (This is your common “food calorie”: ...

If you’ve ever hung around scientists, you’ve most likely at some point heard one of them say “the best explanation is the simplest one.” But is it? From the behavior of ants to the occurrence of ...

Ok, I admit it. The title is a bit of click-bait, but it is indeed accurate…kind of. While there are many factors that go into your weight and overall health, everything can be simplified to calories ...

Basically, a calorie is a unit of energy; it measures how much energy a food provides to the body. Here are a few points to help clear up calorie confusion: How many calories are in a pound? It has ...

Back in the 1800s, obesity was almost nonexistent in the United States. Over the last century, it's become common here and in other industrialized nations, though it remains rare among people who live ...