Word: caution
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...studies provide some of the best evidence so far that the popular practice of ingesting large amounts of vitamins may turn out to be more than just an expensive fad. Still, experts caution that the research does not provide a conclusive link between vitamin E and healthy hearts. "We cannot yet make public-policy recommendations," says Claude Lenfant, director of the U.S. National Heart, Lung and Blood Institute. "We need randomized trials" in which the subjects do not know if they are taking the vitamin...
Should people start stocking up on vitamin E? Not necessarily. Although most scientists believe that large doses are not toxic in the short term, no one knows about safety over the long run. Some researchers caution that taken in such large amounts, the supplement is no longer a vitamin but a drug and should be thoroughly tested. In any case, vitamin supplements cannot substitute for good health habits. Unfortunately for those who want a quick fix, getting plenty of exercise, cutting down on dietary fat and quitting smoking remain far better prescriptions for preventing heart disease than anything...
...always driven the politics of whaling, and the debate has taken many strange twists over the years. Time and again conservationists have called for more studies before the ban is lifted -- a tactic used widely by industries to delay environmental regulations. In this case, there are sound reasons for caution. Humans have failed miserably in efforts to manage the harvesting of wild animals, and the IWC approved the moratorium because past attempts to control whale hunting had been disastrous. Whalers ignored catch limits and other restrictions designed to protect populations...
While many nutrition experts caution against taking high doses of vitamin E and other Fat-soluble vitamins, Rimm said vitamin E is one of the least toxic of the vitamins...
...quarter earnings of $530 million. Ford's gains have been steadier, but it still managed to double analysts' predictions with net earnings of $572 million. Even General Motors turned a financial corner with quarterly profits of $513 million. Still, all three companies tempered their reports with downbeat expressions of caution. Ford's chairman, Harold A. Poling, complained of "weak economies, intense competition and excess industry capacity...