71.   Doctors may misdiagnose a certain type of irregular heart beat as a panic attack, particularly in women, new research suggests.

72.   Earlier research had suggested that cataracts were less common among users of vitamin E, but skeptics point out that other factors might be responsible.

73.   Earlier research already suggests that even low-level exposure to nerve gas could lead to illnesses like those reported by American veterans.

74.   Earlier research suggests that the protective effects of the new regimen persist for at least six months.

75.   Earlier research had suggested that a higher amount of vitamin E in the diet might help slow the progression of arthritis in the knee.

76.   Egg consumption is rising, too, in part because new research suggests that eggs, for many people, are not hazardous.

77.   Efforts were largely abandoned when research with mice suggested that freezing could damage chromosomes.

78.   E-mail is not invariably a bad way to negotiate, but the research suggests that it needs to be used carefully.

79.   Emerging research is suggesting that while tea may not cure, it might help prevent many serious diseases, such as cancer and heart disease.

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