That Ocean Swim May Come With Infection Risks

From - March 18, 2018

That Ocean Swim May Come With Infection Risks

SUNDAY, March 18, 2018 -- Frolicking in the sea may torpedo your health, new research suggests.

It found a twofold increased risk for general ear problems, a 77 percent increased risk for earaches and a 29 percent increased risk for diarrhea and other gastrointestinal illnesses among people who swam in the sea.

The findings came from an analysis of 19 studies, involving more than 120,000 people, from the United States, the United Kingdom, Australia, New Zealand, Denmark and Norway. The results were published recently in the International Journal of Epidemiology.

"In high-income countries like the U.K., there is a perception that there is little risk to health of spending time in the sea," researcher Anne Leonard, from the University of Exeter Medical School in England, said in a news release from the school. "However, our paper shows that spending time in the sea does increase the probability of developing illnesses, such as ear ailments and problems involving the digestive system, such as stomach ache and diarrhea.

"We think that this indicates that pollution is still an issue affecting swimmers in some of the world's richest countries," Leonard added.

Despite major improvements in water quality, seawater is still polluted from sources such as industrial waste, sewage and run-off from farmland, the researchers noted.

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