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No free lunch.

No free lunch

Since drugs, as well as exercise, can stimulate the heart, can swallowing a pill be as good for you as sweat and strain? Probably not, according to a study by Eugene E. Wolfel of the University of Colorado Health Sciences Center in Denver.

Wolfel and his colleagues set out to study the role of heart stimulation independent of exercise in attaining cardiovascular fitness. If physical movement isn't required, people with heart disease theoretically could be spared the effort.

The researchers gave dogs a drug used in treating heart failure, and compared the effects to exercise training. The exercised dogs showed various cardiovascular benefits not seen in the caged dogs given the drug, and subsequently were able to exercise longer. "This is saying you can't take a drug to attain cardiovascular fitness," Wolfel says.
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Title Annotation:drugs can't substitute for exercise in cardiovascular fitness
Author:Silberner, Joanne
Publication:Science News
Date:Dec 6, 1986
Words:136
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