Cancer Prevention

globeandmail.com: Cure for cancer just might be prevention

Based on this review, it concludes that cancer "is mostly preventable," estimating that about one-third of all cases in advanced countries like Canada could be eliminated by diets that aren't loaded with fatty, sugary foods, by people exercising regularly and, if they are obese, by slimming down to an appropriate weight. Among the cancers with links to these factors are those of the breast, prostate, mouth and colon.
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The Globe and Mail

Another third of cancers are due to smoking, indicating that well over half the cases of the disease could easily be prevented.