A recent study in the journal Obesit
y found that dieters who track their progress using mobile apps drop more pounds than those who keep paper logs. "Being aware of exactly what you eat is one of the quickest ways to change your body," says Bowden. The Weight Watchers mobile app (free with membership; itunes.com
) also lets you download recipes, including faves from spokeswoman Jennifer Hudson. Not a member? Try one of the many other free apps, like Lose It!