51.   The study compared cups of tea consumed daily and stomach cancer rates and found no connection.

52.   The study compared their brain activity with jaws relaxed and jaws clenched, and found that made a difference in the auditory cortex.

53.   The study compared results in patients treated with a standard AIDS cocktail containing a protease inhibitor to those treated with a combination of three medicines known as nucleoside analogs.

54.   The Vanderbilt University study compared patients on drugs such as Haldol and Mellaril with those not using antipsychotics.

55.   The study compared the sexual content of videos with violence, but found they did not often go hand-in-hand.