32. You always opt for pretzels as your healthy snack

THE RESULT: A middle-of-the-road choice, nutritionally.

THE FIX: Compared to a piece of fruit and handful of nuts or cheese and whole-grain crackers, pretzels aren’t the healthiest option. But compared to a trans-fat- filled, high-calorie snack cake with frosting, pretzels are nutritional manna, especially if you’re at a vending machine. The biggest rub is that a 1-ounce serving of pretzels has 110 calories and 450mg sodium—about one-fifth of your daily sodium allotment. Choose low-salt or unsalted multigrain and whole-grain versions for the biggest nutritional boost.