hedges

For most people, physical attraction seems to be important for marital happiness.
According to results of one recent study economic sanctions may be ineffective.
There is a commom belief that alcohol causes people to become violent.
It is very probable that passive smoking causes cancer.
Recycling may be the best solution to the waste disposal problem.
Physical exercise can lessen to a large extent the severity of depression.
Sometimes great novels do not make great films.
Many private schools provide better education than do public schools.