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The Centers for Disease Control and Prevention recently announced that outbreaks caused by the diarrhea-inducing parasite Cryptosporidium had doubled between 20, with 32 pools or water parks affected nationwide. recommends The bottom line: We’re vastly better off having pool chemicals than not, and chemically treated pools are generally safe to swim in, especially if they are well maintained and ventilated.To protect against getting ill from pool water, shower before and after swimming to remove germs and lotions, avoid swallowing the water and don’t swim with a diarrheal illness, the C. Add to that some time-honored advice that probably bears repeating: Don’t pee in the pool. Chemicals like chlorine and bromine are added to swimming pools to fight germs.
We think that this indicates that pollution is still an issue affecting swimmers in some of the world's richest countries." Despite significant investment resulting in an improvement water quality in recent years, seawater is still polluted from sources including industrial waste, sewage and run-off from farmland.
The researchers whittled down more than 6,000 studies to 19 studies which met the strict criteria for inclusion in the meta-analysis, designed to establish robust research evidence.
And that’s the real danger: not the pool chemicals themselves, but how they mix with other chemicals that people bring to the water.
Urine, along with body care products like shampoos, lotions and conditioners, interacts with chlorine to form volatile organic compounds that can be unhealthy to breathe.“After the chlorine reacts, you create a whole spectrum of potentially dangerous molecules,” said Andrew Chadeayne, a former college swimmer and a patent lawyer with a doctorate in chemistry.
Dr Will Gaze, of the University of Exeter Medical School, supervised the research.
He said: "We don't want to deter people from going into the sea, which has many health benefits such as improving physical fitness, wellbeing and connecting with nature.
The large-scale research analysis was led by the University of Exeter Medical School in collaboration with the Centre for Ecology and Hydrology.
It is the first systematic review to examine the evidence on whether spending time in the sea is associated with increased risk of reporting a variety of ailments.
However, it is important that people are aware of the risks so they can make informed decisions.
Although most people will recover from infections with no medical treatment, they can prove more serious for vulnerable people, such as the very old or very young, or those with pre-existing health conditions.