Word: constrict
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...general population. While it's not clear why intense exercise is linked with greater asthma incidence, experts believe that the large volume of air brought into and out of the lungs during exertion can dehydrate the airways, triggering an inflammatory cascade of immune cells that causes air passages to constrict. "Athletes who are exercising strenuously are losing heat and water vapor in their airways, so they are more prone to developing exercise-induced symptoms," says Dr. Mark Liu, a professor of pulmonary and allergy immunology at Johns Hopkins Hospital...
...there's no threshold of exercise intensity that causes the condition, so for some people, it might not take much panting. Temperature changes can also trigger exercise-induced asthma - working out in the cold brings a large amount of cold air into the lungs, which can cause airways to constrict in response. Fortunately, once it has been recognized, exercise-induced asthma is easily treated with short-acting bronchodilators such as albuterol - in the study, using albuterol inhalers helped athletes feel a whole lot better and work out longer. So if you find your lungs burning through every workout, check...
...Bush Administration may reflect the mixed results of its efforts to isolate Iran: On the one hand, the U.S. has managed to overcome Russian and Chinese objections to secure two important U.N. Security Council sanctions resolutions turning up the heat on Iran, and it has managed to constrict Iran's access to global capital markets. But despite the pressure, none of these actions has prompted Tehran to change course. And many of the governments on which the U.S. would rely to implement an isolation strategy - friendly Arab leaders and the Europeans - have strongly echoed calls by the Baker-Hamilton Iraq...
...would give it not five permanent members but just one--the U.S.--"because that's the real reflection of the distribution of power in the world." Bolton has insisted that international law has no validity because "those who think [it] really means anything are those who want to constrict the United States." He called the U.S. withdrawal from the International Criminal Court "the happiest moment of my government service...
Funny movies increase healthy blood flow, a new study shows; disturbing ones constrict blood vessels. What's next, [heart] ratings...