Ginger is not only common kitchen spice, but that has been traded across the world for millenia for its medicinal properties. It was valued enough that in the second century AD the Roman Empire was levying taxes on ginger imports, among a short list of other items. The Latin Zingiber, and many present day names for the herb in European languages, were derived from ancient Tamil Ingiver. It's medicinal values are currently studied clinically, but have been apparent for millennia. Aside from the modern recognition it has been used by western medical traditions, and heavily in Ayurvedic and Chinese medical traditions.
Ginger supports healthy digestion and digestive health, can alleviate nausea, has anti-inflammatory effects among other positive impacts.