Tests found water bottles were harbouring dangerous germs like E.coli.

While quenching your thirst after pounding the treadmill is a vital part of any workout, it turns out you could actually unwittingly make yourself sick.
Kate Pickles writing for Daily Mail:
Tests revealed thousands of moisture-loving bacteria crawling all over the spouts and caps. Research by TreadmillReviews.net lab-tested 12 refillable water bottles that had been used by athletes over the course of a week. In fact, the average person's water bottle was found to have over 300,000 colony forming units of bacteria. Perhaps most surprising, most of these germs were the most harmful types - known as gram negative rods - such as E.coli and salmonella. There were a host of bacteria linked to skin infections, pneumonia as well as blood poisoning.
While quenching your thirst after pounding the treadmill is a vital part of any workout, it turns out you could actually unwittingly make yourself sick.
Kate Pickles writing for Daily Mail:
Tests revealed thousands of moisture-loving bacteria crawling all over the spouts and caps. Research by TreadmillReviews.net lab-tested 12 refillable water bottles that had been used by athletes over the course of a week. In fact, the average person's water bottle was found to have over 300,000 colony forming units of bacteria. Perhaps most surprising, most of these germs were the most harmful types - known as gram negative rods - such as E.coli and salmonella. There were a host of bacteria linked to skin infections, pneumonia as well as blood poisoning.
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