A spoonful of oil: Fats and oils help to unlock full nutritional benefits of veggies, study suggests

Some dressing with your greens may help you absorb more nutrients, according to a new study. The research found enhanced absorption of multiple fat-soluble vitamins in addition to beta-carotene and three other carotenoids. The results may ease the guilt of countless dieters who fret about adding dressing to their salads.