41.   After heart surgery, routine use of drugs that slow the heart rate has a remarkable effect on patient death rate cutting it in half, research suggests.

42.   But Detroit money manager Steven Renaldi of Jay A. Fishman Ltd. says his research suggests otherwise.

43.   But environmentalists want much stricter emissions rules on diesels, because some research has suggested that the emissions may be carcinogenic.

44.   But emerging research is suggesting while tea may not cure, it might help prevent many serious diseases, such as cancer and heart disease.

45.   But even the most successful are twice as likely as men to suffer inhospitable working conditions, recent research suggests.

46.   But current research suggests that unwillingness to forgive can actually harm the heart that holds the grudge.

47.   But her research suggests that whatever method works best, it will have to be universally applied.

48.   But even after these factors were taken into account, the research suggests, the mortality difference persisted.

49.   But more recent psychological research suggests that the brains of people who love to scale cliffs, parachute out of airplanes and scuba dive with sharks are not unhealthy.

50.   But new research suggests that the Shakers probably lived in a Technicolor world.