Finnish news website YLE reports on the study by Chinese scientists who followed the habits of 900 members of a winter swimming club over a 30-year period.
And their results indicate a 10% higher risk of heart attacks ad strokes among the swimmers compared to the general population.
"This [study] emphasises the ill-effects of cold, which are well-known," said Prof Hannu Rintamäki of the Finnish Institute for Occupational Health. "Longer-term exposure to cold brings these kinds of results, ie that heart and circulation becomes heavier in cold water."
YLE has more on the story HERE.