Relationship Between Fitness and Mortality Overestimated

A recent study published in the European Journal of Preventive Cardiology has identified a widespread systematic bias in previous studies that may have caused them to overestimate the impact of physical fitness on mortality risk.

The study included data from over one million Swedish men who were conscripted for military service between 1972 and 1995. The participants were divided into five groups based on their fitness levels when they entered military…