16. BYO popcorn. Smuggle a bag of the air-popped kind in to the movies and you'll save mucho calories and saturated fat. A typical small popcorn at a cinema, sans buttery topping, packs 370 calories. Six cups of air-popped: around 180.
17. Think inconvenient. People eat less when snacks are placed about six feet away instead of at arm's length, per Dr. Wansink's research. Having to think twice can make you realize you're not hungry -- just bored.
18. Say hello to sorbet. A small raspberry sorbet at Cold Stone Creamery has 160 calories. The same-size raspberry ice cream: 330.
19. Beware TV brain. People who snack while they're glued to the tube take in more calories than people who don't. "Eating in front of the TV can give you food amnesia," says Jarosh. "But when you're mindful of what you're eating, you're more accountable for how much you're putting into your mouth."
20. Party on! Just do it smart. "Rather than grazing at a buffet, put finger food on a small plate," suggests Clarke. And be picky about your hors d'oeuvres: Instead of, say, three pigs in a blanket, have three pieces of jumbo shrimp with ? cup of cocktail sauce for a savings of 120 calories.