I'd heard that radiation, or perhaps just the strangeness, caused physical and mental deterioration in people who spent too long out there.

In 1995 a serious fire caused further internal deterioration and the loss of most of the roof.

The evidence mounted last week that man-made gases are causing deterioration of the earth's atmosphere.

Changes in land use that cause deterioration or loss of wetlands is a major factor.

"But it is still moving too slowly and runs the risk of causing serious deterioration to Cocom."

The growth of the surrounding communities slowly caused deterioration of the natural environment.

Alzheimer's disease causes changes or deterioration in certain areas of the brain that control thinking, communication, and behavior.

Dimercaprol was administered to several patients, but caused rapid deterioration of their condition.

Similarly photographs and film often contains chemical traces left over from processing which can cause deterioration.

"The nest has caused deterioration of the building's canopy from bird droppings," she wrote.