31.   Studies have clearly demonstrated their ability to prevent heart attacks and coronary deaths.

32.   Subsequent studies demonstrated a similar relationship between socioeconomic status and mortality in the United States and Canada.

33.   Studies have demonstrated an association between mental health and level of physical activity.

34.   Studies have demonstrated the effect.

35.   Study after study has demonstrated that very, very few defendants actually avoid conviction and punishment because needed evidence was excluded form trial.

36.   Studies have demonstrated the benefits of school feeding programs.

37.   The American Airlines pilots union agrees that its own study demonstrates the need for their company to use the regional jets to remain competitive.

38.   The California Medical Association would support medical marijuana if thorough studies demonstrated its efficacy, said Sandra Bressler, director of scientific affairs.

39.   The Cornell study demonstrates this as well.

40.   The director of the Massachusetts crusade to stop children from smoking said the study demonstrates powerfully the importance of tailoring prevention campaigns to adolescents.