Serious health problems can result from prolonged exposure to the cold.

Maybe prolonged exposure of any kind to your state makes people sleep later.

He isn't built for prolonged exposure to this kind of weather.

Anyone can become infected, but prolonged exposure is usually required.

In fact, I think that we all get affected by it through prolonged exposure.

Prolonged exposure may lead to eventual death of the tree.

But prolonged exposure to light can wash out the images.

He defined prolonged exposure as eight or more hours on a plane.

By enforced and prolonged exposure to others of your race, that is.

Low levels of prolonged exposure can cause irritation to the eyes and skin.