Why the study?
Does acute cigarette smoking impair cardiorespiratory responses to exercise in healthy males?
Population
9 healthy male subjects
Comparison
Smoking 3 cigarettes/h for 5 h prior to an… vs No smoking prior to the same incremental…
Design
RCT, The order of the two tests (smoking vs. control) was randomized
Follow-up
Immediate (acute effects during exercise)
Authors
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Acute smoking should be avoided before exercise; confirms cardiorespiratory impairment in a controlled RCT.
Does acute cigarette smoking impair cardiorespiratory responses to exercise in healthy males?
Acute cigarette smoking immediately impairs cardiovascular function during exercise, leading to tachycardia, increased pulse-pressure product, and reduced oxygen delivery.
Hirsch et al. (1985) studied this question.
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