1.   Contradictions which might seem likely to undermine the system have often the reverse effect.

2.   The wrong attitude will have exactly the reverse effect.

3.   The drug is used to lower blood pressure but may have the reverse effect in some patients.

4.   But no well sometimes it has a reverse effect on people.

5.   A moderate amount of wine is known to stimulate arousal but too much has the reverse effect.

6.   Caution won the day, although one might argue that it, like the Congo crisis and the Cyprus crisis, had just the reverse effect.

7.   Every act of its proponents makes the deal seem bad, and every attack has the reverse effect.

8.   Higher prices since then have had the reverse effect on investment, supply and prices.

9.   However, the decision could have a reverse effect, he said.

10.   Intended to cow the Serbs, the limited NATO strikes have had the reverse effect.