The story of tonic water starts in the 17th century, when Jesuit missionaries in the Andes discovered what local native healers already knew: the bark of the cinchona tree had healing properties. One ...

Tonic water has become synonymous with "the thing you mix with gin." It's a bitter, carbonated beverage that a lot of people find off-putting when drunk solo. Its bitterness comes from a compound ...

Maybe you’re curious about the ingredients in your gin and tonic — or maybe you saw “quinine” on a nutrition label and want to make sure what you’re drinking is safe for consumption. Quinine is, after ...

Q: I have been suffering with leg cramps for years and years. Recently, my doctor told me about tonic water with quinine. It does help the leg cramps, but it is making me feel ill. My symptoms include ...