The more you eat, the fewer calories you consume? Ummm...probably not.

Fifteen Foods that Burn More Calories than They Contain - Diet - Lifehacker: "...the following 15 treats actual burn more calories in their digestion than they offer, so you can fulfill your snack craving without the guilt of a bag of potato chips. From apples to zucchini, these foods make the perfect snacks.

* Celery
* Oranges
* Strawberries
* Tangerines
* Grapefruit
* Carrots
* Apricots
* Lettuce
* Tomatoes
* Cucumbers
* Watermelon
* Cauliflower
* Apples
* Hot Chili Peppers
* Zucchini

Comment -- The Wikipedia article on "negative calorie foods" says there is no scientific evidence for this concept. Still, it certainly doesn't hurt you to eat lots of fruits and vegetables, even if you are forced to consume a few calories at the same time.