Extract

This editorial refers to ‘Atrial function is altered in lone paroxysmal atrial fibrillation in male endurance veteran athletes’, by A. Hubert et al., pp. 145–153.

It is well established that regular physical activity is beneficial to cardiovascular health and well-being.1,2 Current physical activity guidelines recommend 30 min of moderate intensity physical activity at least 5 days/week or 25 min of vigorous activity 3 days/week, for the prevention of cardiovascular disease.3 Despite the well-known benefits of these exercise regimens, data are scarce on the upper ranges of the exercise–dose relationship. Over the last decades, there has been an increase in the number of middle‐aged and older individuals engaging in competitive sports and mass exercise events in the more economically developed countries.4 Although several studies demonstrated that endurance sports participation is associated with an increased life expectancy compared with the general population,5,6 there is increasing evidence suggesting that long-term endurance exercise is associated with an increased risk of developing some cardiac arrhythmias, especially atrial fibrillation (AF).7,8

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