Word: defect
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
...message is very clear," said Chavez, who organized a boycott on table grapes which was the first industry-wide agricultural boycott in U.S. history. "We demand that they stop spraying DDT, cancer-causing, and birth-defect causing pesticides...
This national birth defect went uncorrected until the Civil Rights Act of 1866 established "that all persons born in the United States . . . are hereby declared to be citizens of the United States." Passed during the most exhilarating days of Reconstruction, the act was greeted with officious optimism. "If there is anything by which the American people are troubled, and if there is anything with which the American statesman is perplexed and vexed, it is what to do with the negro," said one Yankee Senator. "Now, as a definition, this amendment settles...
...past two years alone, researchers have reported preliminary success with two separate therapies that for the first time treat the underlying cellular disorder as opposed to just the symptoms of the disease. More promising still, doctors are closing in on a technique for replacing the defective CF gene, which was discovered in 1989. The discovery has spawned an unprecedented proposal to screen tens of millions of Americans for the defect, so that couples can avoid having an affected child. After decades of relative quiet on the CF front, scientists have their eyes on the prize. "This is a wonderful place...
...being challenged. Last week scientists announced that in people with a form of muscular dystrophy, they had identified a segment of DNA that can lengthen substantially with each succeeding generation. Most disturbing, as the fragment lengthens, the illness becomes more severe. "This is not your garden-variety genetic defect," says Dr. Leon Charash, who chairs the medical advisory committee of the Muscular Dystrophy Association...
...asymptomatic but whose risk for transmitting a devastating illness is very high compared with the rest of the population," observes geneticist David Housman of the Massachusetts Institute of Technology, a member of one of the research teams. "Should they be informed?" A man or woman with such a defect will have to consider the brutal fact that not only is there a fifty-fifty chance that a child will inherit the illness, but also that the disease may be progressively worse in that child, the grandchildren and the great-grandchildren...