Word: provenance
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...region the nickname "Little America." The canals and ditches created a network of bridges unable to support armored vehicles and gives the Taliban good places to hide IEDs - the top killer of U.S. troops in Afghanistan - and snipers. They also turned the region into lush farmland that has proven ideal for growing opium-producing poppies...
According to research done at University of Colorado at Boulder, exercise has been proven to prevent the development of depression anxiety, among other stress-related disorders. In the experiment, lab rats were exposed to a stressor, and those that had been allowed to exercise had increased levels of serotonin, the chemical that regulates mood, and were shown to be less anxious and stressed than the rats that were not allowed to exercise. Exercise, in a sense, is a natural antidepressant. Other scientific research has also shown that exercise increases the development and maintenance of brain cells, as well...
...staying happy and sharp wasn’t enough reason to exercise, Harvard students should be aware of the benefit to their immune system. Moderate exercise has also proven to increase immunity. According to Mary P. Miles, Ph.D., an associate professor of exercise sciences at Montana State University, the risk of being infected with the flu virus or a cold will drop with moderate exercise. Another study, done at Appalachian State, found that those who walked at moderate pace for 40 minutes a day reported half the number of sick days taken off from work than those who didn?...
...whether or not Clay has the longevity to stand out in London, the decathlete has already proven himself among the globe’s best...
...criminal justice system has proven to be one of the most effective weapons available to our government for both incapacitating terrorists and collecting intelligence from them. Removing this highly effective weapon from our arsenal would be as foolish as taking our military and intelligence options off the table against al- Qaeda, and as dangerous," Holder wrote. Separately, administration officials now also report that Abdulmutallab, who stopped talking after about 50 minutes in custody, has recently begun providing new information to interrogators after his family was brought to him from Nigeria...