Stress prompts the body to produce certain stress hormones. In short bursts these hormones have a positive effect, including improved memory function. They can help nerve cells handle information and put it into storage, says Dr. Bruce McEwen of Rockefeller University in New York. But in the long run these hormones can have a harmful effect on the body and brain.
Sustained stress is not good for you, says Richard Morimoto, a researcher at Northwestern University in Illinois studying the effects of stress on longevity, Its the occasional burst of stress or brief exposure to stress that could be protective.
31. The passage is mainly about ________.
A) the benefits of manageable stress
B) how to cope with stress effectively
C) how to avoid stressful
D) the effect of stress harmonies on memory
32. The word shun most probably means ________.
A) cut down on
B) stay away from
C) run out of
D) put up with
33. We can conclude from the study of the 158 nurses in 2001 that ________.
A) people under stress tend to have a poor memory
B) people who cant get their job done experience more stress
C) doing challenging work may be good for ones health
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