Word: overrespond
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Even without provocation by the AIDS virus or other infectious organisms, the immune system can sometimes go awry. Often, entirely on its own, it can overrespond, fail to respond or turn against the body it is designed to protect with the same lethal fury it directs against invaders and cancerous cells. Some 80 immune-system deficiencies have been identified so far. About one in 400 people has at least one immune-system component missing or malfunctioning, usually for genetic reasons. In one in 10,000 people, the deficiency leads to serious disorders. Perhaps the most tragic example is severe combined...
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