5 Things You Don’t Know About Calories

Nutrition Label
Calories have a bad reputation when it comes to weight loss. But, calories are actually an important source of fuel that your body can’t live without.

“Your body needs calories for energy,” says Kimberly Lummus, MS, RD. “Calories are the force behind everything we do, including eating, sleeping, and breathing.”

But do you know how calories work, and how many you really need?