Raw water may not be as safe as it looks. Like raw milk, untreated water comes with dubious health claims and high risks.

Pitcher, faucet, and fridge carbon filters are more accessible and cheaper than the other two options, but reverse osmosis ...

The carbon dioxide in seltzer may slightly boost metabolism — but these zero-calorie drinks can also help you feel fuller and ...

Water is often contaminated with parasites like giardia, which causes diarrhea, gas, and smelly and greasy poop, Alan says — ...