It is known that passive smoking has a negative impact on health.

His actions exerted a great influence on our plans.

He didn't know that fact.

Health is more important than anything else.

He is very healthy because he exercises every day.

Smoking is prohibited in this restaurant.

He smokes every day.

He found out the truth and was surprised.

He is really knowledgeable and always teaches us new information.

That decision had a bad effect on our project.