Every time you take a sip from your water bottle, you are depositing bacteria inside and over the course of a day these can multiply by the millions. Here's what scientists say you can do about it.

What horrors grow within? Credit: Eyeem / Getty Images It takes a lot of grime for a reusable water bottle to look dirty. After all, it's usually just water in there. Bad news, though: If you're ...

March 2025 You’re nothing without water. A reusable water bottle that is good-looking and functional is vital for anyone who wants to remain hydrated while reducing disposable-bottle waste.

decaying vegetation ... but mineral water must retain its "original purity" from source to bottle, whereas spring water can undergo any form of treatment. In one set of tests, bottled water ...