21.   While you may not get everything you are seeking, the authors note, knowing what you will need and why should help you negotiate a better deal.

22.   Okinawans living in Brazil and elsewhere overseas have lower life expectancies, the authors note.

23.   The authors note that previous research has suggested that breast-feeding exclusively may be less risky than alternating breast-feeding with formula in very young infants.

24.   The authors noted that the experiment simulated the formation of compounds that have been found in some meteorites that fell to Earth from space.

25.   The authors noted that in euthanasia studies, far more doctors say they approve than would actually perform an assisted suicide.