41.   Tamoxifen inhibits the growth of breast tumors by blocking the hormone estrogen, which can stimulate cell growth.

42.   Tamoxifen, marketed by Zeneca Pharmaceuticals, is currently being used to prevent the recurrence of breast cancer, but it stimulates cell growth in other tissues.

43.   Tea chemicals are believed to act by preventing damage to DNA that could result in a loss of control over cell growth.

44.   Thanks to a Pap test, Kole discovered she had severe abnormal cell growth on her cervix that if left untreated could have developed into cancer.

45.   Surgeons who have been confronted with the problem have suspected for several years that in some people, something about the angioplasty procedure caused the sudden cell growth.

46.   The drug approach to new cell growth has already produced some winners.

47.   The drug, rapamycin, is used in kidney transplant patients to prevent rejection by blocking cell growth.

48.   --The estrogen cycle in women causes monthly bursts of cell growth.

49.   The new tumor suppressor gene, by contrast, seems to take phosphates off proteins and slow cell growth.

50.   The potential of cell growth in a weightless environment is nothing short of extraordinary.