The secret is tonic water, which fluoresces under ultraviolet (UV) light. This effect is due to quinine, a naturally occurring chemical once used for its medicinal qualities, and the same ...

Tonic water, with or without the gin, tastes a little bitter, and the reason for this is its naturally-occurring quinine. Originally used as a malaria cure beginning centuries ago, it is the very ...

A doctor on BBC's Morning Live spoke about the surprising medical effects of drinking tonic water. Dr Xand appeared on a segment on the daytime TV show to talk about the best ways to treat muscle ...