Large scale study finds cardio fitness is associated with lower risk of nine cancers - but an increased risk of two

Endurance athletes have yet another reason to feel smug, but it’s not all good news

Male cyclist riding his bike outside
(Image credit: Future)

It’s probably not a surprise to hear that exercise is good for you, but it is interesting to see it clearly quantified. Plus the result that men with good cardiorespiratory fitness - the aerobic fitness which is developed by cycling - are associated with an increased risk of two specific types of cancers is a curious finding itself.

First of all, let’s go over how this study, published in the British Journal of Sports Medicine, was conducted, to better understand the context. 

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