Urban myth
To get to the point right away: reboiling drinking water is not dangerous. So, what’s the deal with this? It’s indeed possible for harmful substances to amass in water if it’s boiled several times. The drinking water we consume does indeed contain arsenic, nitrates and fluoride, but in such small quantities that it cannot lead to health risks if it’s boiled more than two times.
Dangerous
It only gets dangerous to consume reboiled water when 10,000 litres of water gets boiled down into only one cup of coffee or tea. Which is something nobody ever does, of course. So, the next time you’ve boiled some water and forgotten about it, don’t hesitate to simply reboil it. You can safely drink that cup of tea – it won’t do you any harm. Check out the video below for a detailed explanation:
Read more: 6 consequences of consistently drinking too little water
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Source: Snopes, Nucheckt | Image: Pixabay
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