Tonic water has a bitter ingredient that has been used to treat illnesses for centuries. Take a look at the medicinal history ...

The environmentalist said Cinchona was a medicinal plant used to process Quinine, ... I recollect one our teachers telling us how the medical properties of this tree was discovered a long time ago.

For centuries, Native Peruvians used dried bark from the South American cinchona tree for various medicinal purposes, including as a muscle relaxant and fever reducer. In the 1600s, Europeans ...