It's a habit many of us have and do every day - but we're putting ourselves at risk of catching something nasty habit many of us have and do every day - but we're putting ourselves at risk of catching something nasty
A human can go more than three weeks without food. But water? A week is the absolute maximum we can last without it.
Being composed of roughly 60 per cent water, and given how we lose around three to four litres a day through sweat, urine and breathing, staying hydrated is of paramount importance to us - especially during the hot summer months.
In our quest to drink the recommended two litres of water a day, we all do what we can. Including utilising water bottles.
Many of us will buy a bottle of water, then hang on to it, refilling it and using it throughout the day. Good for the environment and the pocket, right?
Well, yes. But it's also bad news for your health - roughly on par with licking an old, used dog toy. THAT bad.
Whether you're at work, school or exercising, your trusty reusable drinking receptacle could be heaving with thousands of bacteria which thrive off moisture.
By using your water bottle over and over again, according to TreadmillReviews.net, you could be making yourself unwell.
The team at Treadmill Review conducted research into this matter, swabbing the lids of 12 reusable water bottles used by athletes and sent their findings off for lab analysis.
Skin-crawling. The team found the reusable bottles may be hosting a HUGE number of bacterial cells, "more than 300,000 colony-forming units per square centimeter (CFU/sq cm)."