41.   Doctors believe they have cut out the cancer, but Reese must continue to undergo radiation treatments.

42.   Doctors have believed for some time that selenium and vitamin E might play a role in the prevention of prostate cancer.

43.   Doctors originally believed that Dinkins was suffering from heat exhaustion when he passed out after playing tennis in Hilton Head on Sunday.

44.   Delaying treatment may put the patient too far behind to fully recover, doctors now believe.

45.   Doctors believe a helmet might have protected him from getting injured.

46.   Doctors believe a virus may have attacked his heart at some point in his life.

47.   Doctors believe Brianne got a double dose of E. coli because she ate kiddie-size cheeseburgers twice at the same neighborhood Jack in the Box within one week.

48.   Doctors believe she and her mother got it years before her mother showed symptoms.

49.   Doctors believe that Jensen is only the second person with Down syndrome to receive a heart and lung transplant.

50.   Doctors believe that whatever is happening now may also be affecting his central nervous system.