1.   As a practical matter, hydrogen use has some negative effects.

2.   But with rapid population growth, all the negative effects of poverty and ill-conceived government policies are magnified.

3.   Finally, further analysis demonstrates that the level of political democracy has a negative effect on the strike volume.

4.   He was not concerned with long-term negative effects.

5.   In work settings, people are able to limit the negative cardiovascular effects of stress through a variety of techniques.

6.   It was almost inevitable that this would have a negative effect on any innovative work.

7.   None is big enough or bold enough to offset the negative effects of the financial collapse.

8.   Numerous statistical studies find negative effects of family disruption on outcomes for children.

9.   Pollution has a negative effect on the health of everyone living in the city, not to mention the damage to the environment.