Introduction

The preventive role of cardiorespiratory fitness in lung cancer among smokers is unknown. This study aims to evaluate the association between cardiorespiratory fitness and lung cancer incidence and cancer mortality in former and current male smokers.

Methods

 

Challiyil Eswaramangalath Vipin from Chalakudy, India [CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

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