11.   Infrequent, careless bouts of sun exposure considerably increase the risk of developing skin cancer.

12.   It could be argued that a dam might actually increase the risk of flooding.

13.   It had increased the risk of war while making war immeasurably more dangerous.

14.   Martin etal found that among Helicobacter pylori positive patients ingestion of NSAIDs significantly increased the risk of gastric ulceration.

15.   Numerous studies have shown that sugary foods increase risk for cavities.

16.   Once isolated, the mutant gene will be the second gene known to increase the risk for the brain disorder.

17.   Patients can feel insecure and frightened in this new environment and anxiety increases the risk of accident.

18.   Performing high-speed aerobatics in close formation, low to the ground, increased those risks many fold.

19.   Smoking increases the risk of getting cancer.

20.   Smoking increases the risk of heart disease.