Before you swap your tap water for a pricier bottle, experts want you to know what the research does — and doesn't — show.

As summer temperatures soar, so does the popularity of so-called “functional” waters — especially alkaline and electrolyte-infused varieties — often touted as “smarter” ways to hydrate when heat and ...

DEAR MAYO CLINIC: I know I need to stay hydrated while I exercise but what is the best fluid? I'm wondering how much I should drink and if I need to drink special water as someone mentioned alkaline ...

Scientists have analyzed a meteorite atom by atom to reveal the chemistry and acidity of the earliest fluids in the solar system. By finding evidence of sodium-rich alkaline water in the Tagish Lake ...