Of all ginger's effects, its anti-nausea property is probably the best known. From morning sickness to motion sickness, ginger has been used for thousands of years to quell the queasies. Studies have found ginger more effective than the anti-nausea drug Dramamine.

"Ginger most likely works by interrupting the feedback between the stomach and the nausea center of the brain"

Source: Daniel Mowrey, author of The Scientific Validation of Herbal Medicine.