Word: stress
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Dates: during 2000-2009
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...absence of calcified or non-calcified plaque," says Dr. Norman Lepor, a professor at UCLA's Geffen School of Medicine, referring to the tell-tale build-up on artery walls that signifies heart disease. Lepor says that CTCA gives off no more radiation than the routinely used diagnostic nuclear stress test, which also detects plaque deposits, but only those that are big enough to block 70% of the artery. "The risk-benefit assessment is in favor of cardiac CT to be used in a judicious fashion," says Lepor, who describes good candidates for the scan as male, over...
According to Smith, the regions of the country where invasive plant species are most widespread are those under the most pressure to develop, such as suburban communities, summer vacation spots or natural-resource extraction sites. Like a body with a weak immune system, Smith says, "An ecosystem under stress is ripe for invasion by non-native plants...
...never competed in any kind of pageant-related competition before, described the whole process as relatively low-stress, especially compared to the violin and piano contests she’s used...
Neuron degeneration in Parkinson’s disease is caused in part by oxidative stress, a state of cellular imbalance that can produce molecules damaging to the cellular environment. As a powerful antioxidant, urate could help to correct this, according to the study’s abstract...
Although counterterrorism officials in the U.S. and Europe are careful to stress that there are no specific threats, they share the concern expressed by the senior U.S. official: "There is information, there are reports and other data coming in that shows these guys do mean to come after the U.S. But we do not have details of specific plots...