11.   But in the long run, pregnancy may decrease the risk by leading to a differentiation of breast tissue that appears protective.

12.   By sealing off the Palestinians, Israel may decrease the risk of an explosion inside Israel.

13.   Conversion to a smaller, better-equipped force will allow more effective defense against any foreign threats and would decrease the risk to democracy from restive, underpaid military officers.

14.   Correction of an overbite decreases the risk of wearing down the teeth when chewing and biting.

15.   Dr. Bush said this was disappointing because it had been thought that estrogen might decrease the risk of diabetes by enabling the body to metabolize carbohydrates more efficiently.

16.   Dr. Grether said she and Dr. Nelson were astonished to find that magnesium sulfate seemed to decrease the risk of cerebral palsy by about a factor of seven.

17.   Exercise is good for a whole variety of reasons, so the fact that it may or may not decrease your risk of breast cancer probably is immaterial.

18.   Everyone is looking for alternative ways to increase their revenues and decrease their risk.

19.   Finding out how many are disease-free and how many get cancer after a number of years will tell doctors how much such surgery decreases the risk.

20.   He said Gigante wanted the business meetings handled by lower-ranking mobsters to decrease his risks of being detected by law-enforcement agents.