Word: cardiovascular
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Dates: during 1980-1989
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Attempts to reach Sakharov's home in Moscow by telephone were unsuccessful. Sakharov had suffered from angina, but during a visit to the United States in December 1988, doctors at Massachusetts General Hospital determined he did not need heart surgery or a pacemaker after cardiovascular tests...
...more, though. A study published last week in the Journal of the American Medical Association says that even a minimal amount of exercise -- a brisk half-hour walk once a day is enough -- confers significant protection not only from cardiovascular disease and cancers but also against death from a wide range of other causes. Put plainly, people who exercise just a little bit tend to live longer...
While this and earlier studies agree on the health benefits of regular, moderate exercise, no one is sure of the physiological mechanisms involved. It may be that exercise increases coronary blood flow, decreases clotting or both, which would limit the blood-vessel blockages that cause cardiovascular problems. And some scientists speculate that exercise increases bowel motility, a factor in avoiding colon cancer. Those questions may be answered in part by the next phase of the investigation, which is expected to include more than 40,000 people. Such speculations are literally academic, though. For the average man or woman, the message...
...been trying to tell them to run," Kleinfelder said. "I'm more concerned about the cardiovascular, making sure they're in shape. The stick skills will come back...
...matter what your goals are, cardiovascular fitness must be the vital foundation. The importance of fitness of the heart cannot in any way be overestimated. The American Heart Association continually reminds us that coronary heart disease is still the number one killer in America--the picture cannot be painted in bolder hues...