"Humans should not try to avoid stress any more than they would shun food, love or exercise. " said Dr. Hans Selye, the first physician to document the effects of (67) on the body. While here’s a study (68) question that continuous stress is harmful, several studies suggest that challenging situations in which you’re able to (69) to the occasion can be good for you.
In a 2001 study of 158 hospital nurses, those who faced (70) work demands but (71) with the challenge were more (72) to say they were in good health than those who felt stressed. They stress that yoga can manage also to (73) immune function. In a study at the Academic Center for Dentistry in Amsterdam, researchers put. (74) through two stressful experiences. In the first, a timed task that is (75) to memorize a list followed by a short test, subjects through a gory(血淋淋的) video on surgical. (76) . Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that’s the body’s first line of defense (77) germs. The video-watchers (78) a downturn in the antibody.
Stress prompts the body to produce certain stress hormones. In short bursts these hormones have a (79) effect, including improved memory function. "They can help nerve cells (80) information and put it into (81) " says Dr. Bruce McEwen of Rockefeller University in New York. (82) in the long mn these hormones can have a harmful (83) on the body and brain.
" (84) stress is not good for you," says Richard Morimoto, a researcher at Northwestern University in Illinois (85) the effects of stress on longevity, "It’s the 86 burst of stress or brief exposure to stress that could be protective. \