81.   A few years ago, scientists learned how almost all the rhinoviruses get into the body.

82.   And although the virus is transmitted by bodily fluids, scientists might learn more specifics.

83.   Among the basic concepts that scientists have learned from them over the years are the roles of smoking and cholesterol in heart disease.

84.   As scientists learn more, as mysteries are cleared and new ones emerge, those laws will need to change.

85.   But Eisenberger said that if those who relapse quickly enter studies of experimental new therapies, scientists may learn faster which ones work.

86.   But the things American scientists learned back then could prove extremely valuable today, as the country faces its first real bioterrorist threat.

87.   Discover how scientists are learning about ways to help you enjoy a longer and healthier life.

88.   For example, scientists could learn how quickly the body produces antibodies to fight the disease.

89.   For example, Swanepoel said, scientists could learn how quickly the body produces antibodies to the disease, which would help with diagnosis.

90.   He noted that years ago, scientists learned they could avoid a nitrite-related cancer-causing substance simply by adding vitamin C to affected foods.