For healthy snacking, pick foods with dietary fiber and limited fat, sugar and salt. The American Institute for Cancer Research has these suggestions:
Try unfrosted whole-grain dry cereal like oat circles and whole-wheat squares.
Dip raw vegetables into spicy brown mustard, chunky salsa, low-fat salad dressing or shrimp cocktail sauce.
Dunk fresh strawberries into low-fat vanilla yogurt.
Munch on a handful of sweet grape tomatoes or dried fruit.