71.   Inflammation helps eliminate cells infected by a virus, but it can also damage healthy cells.

72.   Ironically, the finding gives new evidence that the lethal microbe shares an evolutionary history with an important component of healthy cells.

73.   Moffitt keeps a library of computer chips that store all the known genes and some unknown genes from healthy cells to use for comparison.

74.   Much of the damage in a stroke occurs when dying cells give off chemicals that kill nearby healthy cells.

75.   Soon healthy cells became cancerous.

76.   So if patients experiencing post-surgery stunning can just survive long enough, cells containing damaged TnI will die off and be replaced by healthy cells, she said.

77.   So Strom and his team did a control experiment using healthy human liver cells.

78.   The liver often can generate new hepatocytes, or a type of healthy liver cells, after an injury or disease.

79.   The new drugs, called glutamate antagonists, block healthy cells from taking up glutamate.

80.   The researchers watched human cells divide hundreds of times in test tubes and concluded that telomerase does not by itself turn healthy cells into malignant ones.