Day 7: Order Your Lunch Online

If you’re a desk jockey, your best lunch option will always be the one you prepare yourself (it gives you more control over what and how much you eat). But if you have to order it, do so from your office, then walk to pick it up. You’ll eat healthier, and consume an average of 114 fewer calories, according to a recent study in the journal Appetite. The reason: Ordering remotely removes sensory cues, especially smells, like the irresistible aroma of pizza and pastries.

For more 31 Days of Fitness tips, check here for a new one every day in December.