51.   Studies have shown that this is not effective as a teaching technique.

52.   Studies have shown the benefits of a vegetarian diet.

53.   Studies show a disproportionately high amount of crime attributable to kids born after long, difficult labors with forceps deliveries.

54.   Studies show a significant relationship between smoking and heart disease.

55.   Studies show a strong association between consistent dividend growth and long-term stock performance.

56.   Studies show that an active lifestyle can reduce your chance of developing heart disease.

57.   Studies show that girls tend to lose some of their self-confidence in their teenage years.

58.   Studies show that if screen workers have short but frequent breaks they become much more productive.

59.   Studies show that people who receive medication when their pain first starts need less of it than people who wait longer.

60.   Studies show that prolonged exposure to maternal depression can result in childhood mood disorders.