According to Dr Mosely, when introduced gradually, cold showering “gives our immune system a bit of a boost”.
To support his argument, he cited a randomised controlled trial carried out in the Netherlands.
The aim of this study was to determine the cumulative effect of a routine cold shower on sickness, quality of life and work productivity.
Between January and March 2015, 3018 participants between 18 and 65 years without severe comorbidity (presence of two or more diseases or medical conditions) and no routine experience of cold showering were randomised to a (hot-to-) cold shower for 30, 60, 90 seconds, or a control group during 30 consecutive days followed by 60 days of showering cold at their own discretion for the intervention groups.
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