Water Fact: "Unless you live in a third-world, unsanitary country, bottled water can contain lower levels of some minerals than ordinary tap water," says Sophie Pachella, nutrition expert. For example, most bottled waters don’t contain the fluoride that strengthens teeth. Bottom line: you can save cash (and the planet) by drinking tap water. If you’re concerned, get a quality filter.
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Find out if you know the truth about these 17 water myths
We reveal the truth about 17 common water myths.
Myth Busters: Do You Have Your Facts About Water Straight?