The mental and physical deterioration can occur swiftly or over a period of years.
But the physical deterioration of the park is only part of the problem.
During the 1970s and 1980s, the school saw significant physical deterioration.
What also comes through in the book is Ali's physical deterioration.
My father died recently after suffering through five months of physical deterioration due to bone cancer.
She did not see any signs of physical deterioration, but he seemed dejected.
In the weeks before, he had faced sudden and dramatic physical deterioration.
The individual's cognitive or physical deterioration has made it necessary for family members to make this decision.
The Sick represents the literal physical deterioration we experience as part of life.
But he said such a program would not be enough to prevent physical deterioration on longer journeys.