She makes contact with Mewtwo when she is a child and teaches him about the ways of the world before her physical body deteriorates.

Without his serum, Adam's body rapidly deteriorates until he finally dies.

As hours pass, Brad's body and mind deteriorate.

During that time, a patient's body may deteriorate, decreasing his or her chances of surviving a lengthy, difficult operation.

But by then his physical body had deteriorated past the point where repair was possible, and so he had been vastened as a machine intelligence.

Without the life spirit, the body couldn't eat, couldn't drink, and would soon deteriorate.

In three months her body had deteriorated ten years' worth.

"Two days, that's how fast your body can deteriorate."

Now, they insist that their bodies have not deteriorated.

They have this morbid fascination with watching their bodies deteriorate.