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VERIFY: Yes, your reusable water bottle can make you sick

Reusable water bottles are popular, but doctors say there could be a hidden danger if you aren't washing them properly.

CHARLOTTE, N.C. — In recent years, many people have opted for reusable water bottles to reduce waste, but could your favorite bottle make you sick? 

A lot of folks use reusable water bottles but when was the last time you washed it and how often should you wash a bottle that you use every day? 

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THE QUESTION 

Can your reusable water bottle make you sick?

THE ANSWER

Yes, reusable water bottles can make you sick if you do not wash them.

OUR SOURCES

WHAT WE FOUND 

With the growing popularity of reusable water bottles, doctors say there's a danger you really can't see. 

"Everything that touches that water bottle can transmit bacteria," Sumego said. 

The bacteria is mostly from us, too. According to the Baylor College of Medicine, bacteria in a person's mouth can get into a water bottle. This includes food particles that can create a perfect environment for mold. 

"They really thrive in moist and dark environments and can develop quickly in the water bottle," Robinson said. 

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She explained that you can't see the growing germs and they could potentially cause symptoms similar to food poisoning. People with allergies could also suffer a flare-up if mold starts growing inside their water bottles. 

So how often should you clean it? 

"Your water bottle is one of the most important things you need to clean daily," Robinson shared. 

To avoid the build-up of germs and mold, Sumego says you should make sure you thoroughly clean every component of the bottle. If you have a multi-piece cap and straw, take them apart and wash them completely. 

"We are lifting up straws, twisting off caps, all those areas," Sumego said. "If they're not removed and washed at the same time, they can harbor bacteria and mold that grows underneath." 

Contact Meghan Bragg at mbragg@wcnc.com and follow her on Facebook, X and Instagram.

WCNC Charlotte's Verify series is all about trying to make sure the community has the correct information on news that impacts them. WCNC Charlotte outlines concisely what we know and what we don't know. Sometimes the answer can be surprising. Watch previous stories where we verify social media claims in the YouTube playlist below and subscribe to get updated when new videos are uploaded.

VERIFY is dedicated to helping the public distinguish between true and false information. The VERIFY team, with help from questions submitted by the audience, tracks the spread of stories or claims that need clarification or correction. Have something you want VERIFIED? Text us at 704-329-3600 or visit VERIFY.

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