31.   Some dietitians argue that fruits and vegetables also fit the definition of functional foods because they are so naturally packed with antioxidants believed to fight off certain cancers.

32.   So far, however, functional foods have raised far more controversy than they have lowered cholesterol levels.

33.   Studies about herbs in functional foods are incomplete, and some might have side effects or trigger adverse reactions when mixed with prescription drugs, critics say.

34.   The booming market for energy drinks, bottled water and functional foods is leading some of the biggest beverage makers to reimagine water as the ultimate body hydrator.

35.   The problem may be that functional foods sound too good to be true, said Robert L. Heath, professor of communications at the University of Houston.

36.   To market Aviva in the United States, Novartis will rely heavily on its Gerber Baby Food subsidiary, which will soon introduce functional foods under its own label.

37.   Welcome to the world of functional foods, where groceries and pharmaceuticals meet.

38.   We eat to live, but we also live to eat, which means that functional foods have to jump through two hoops at the same time.

39.   Without better definition of functional foods, the gate is open for loose interpretations under the supplement law, which was not its intent.

40.   Yet other functional foods do not come by their health benefits so naturally, fueling controversy over just how these products ought to be labeled and marketed.