A surprising study gives us another reason to get up out of our cozy office chairs and venture outside—especially when it’s cold. When your body works to warm itself up, it expends energy and therefore burns calories. When you’re constantly comfortable, your body no longer has to work and can kick back and relax. The researchers say that non-shivering heat production can account for up to 30 percent of your body’s energy budget (for young and middle-aged adults), proving that lower temperatures can really influence your total energy expenditure. Time to get outside!

READ MORE: Can Cold Weather Help Boost Weight Loss?