Published 2014-01-01
“…Evidence is weaker for cancers of the lung,
pancreas, stomach, prostate, and ovary. Inconsistent findings for a physical activity and cancer relation in the literature may reflect methodologic constraints of available studies, including the use of inaccurate physical activity measurement instruments, failure to assess physical activity performed at etiologically relevant time periods of carcinogenesis, inadequate assessment of the dose of physical activity (frequency, duration, and intensity), incomplete control for potential confounding, and lack of consideration of subgroup findings. …”
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