Stress Researchers Have Found That ____

Stress researchers have found that ____.

A) both short-term and long-term exposure to stress are associated with deterioration of immune functioning
B) both short-term and long-term exposure to stress are associated with enhancement of immune functioning
C) brief exposure to stress enhances immune functioning, but that extended exposure to stress is associated with deterioration of immune functioning
D) the research is inconclusive with regard to any relationship between short- or long-term exposure to stress and immune functioning