He had great influence on those around him.

He isn't such a fool as to risk his life.

The destruction of the rainforests affects our environment.

A long spell of rainy weather is harmful to plants.

The tax increases affected our lives greatly.

The frost had a bad effect on the crops.

The media has a lot of influence on the outcome of an election.

Industrialization had a great influence on the development of the economy in Japan.

Lack of exercise may harm your health.

The rain had a good effect on the farm crops.

We were all surprised at the effect the news had on him.

Benson and Holmes analyzed the psychological effect of artificial insemination on parents.

The Normans' conquest of England had a great effect on the English language.

Television shows violence, which influences, above all, younger people.

It has had no effect on him.

It has an important influence upon our lives.

It will do harm to us.

The discovery will have a momentous effect on the treatment of cancer.

There's no need to be frightened of the dog; he is quite harmless.

This movement had a great impact on the behavior of women.