71.   The biopharmaceutical company is working on drugs to inhibit telomerase and so kill cancer cell by making them age.

72.   The biotechnology company said the U.S. Food and Drug Administration approved its Photofrin therapy, which may be able to kill cancer cells using light-activated drugs.

73.   The disease kills brain cells, leaving the organ full of holes and resembling a sponge.

74.   The disease kills cells in the brain, leaving it full of holes and resembling a sponge.

75.   The disease kills cells in the brain, leaving it full of holes like a sponge.

76.   The energy burns the tissue in a controlled way, killing cells and causing the tonsils to gradually shrink from within.

77.   The invisible pollutant kills lung cells and has been linked to increased cancer rates.

78.   The Menlo Park-California based biopharmaceutical company already is working on drugs to inhibit telomerase and kill cancer cell.

79.   The machine, which emits radioactive particles that kill cancer cells, will be used on the animals.

80.   The new studies focus on the radiation and chemotherapy that he received to kill some cells in his marrow to make space for the baboon cells.