Ginger root is used extensively as a spice in many if not most cuisines of the world. Though called a root, it is actually the rhizome of the monocotyledonous perennial plant Zingiber officinale. The active constituent of ginger is zingerone.

GoldBamboo

... Most commonly used as a flavoring for food, ginger may also be taken orally in higher amounts as an herbal remedy to prevent or relieve nausea resulting from chemotherapy, motion sickness, pregnancy, and surgery. Results of laboratory studies as well as from small studies conducted among seasick sailors or ship passengers, found that ginger generally has more effectiveness for relieving motion sickness than placebo (or sugar pills). Several comparisons between ginger and prescription or non-prescription drugs have been conducted for relieving the nausea of pregnancy, but results are inconclusive. In some of the studies, similar effectiveness was seen between ginger and the comparator drug, while other studies found less or no effectiveness for ginger as compared to the drugs. In general, no adverse effects were noted from using ginger, for either the mother or the developing baby. Ginger has also been used in folk medicine to treat minor gastrointestinal problems such as gas or stomach cramps. Recent studies may confirm that ginger directly affects the gastrointestinal tract, helping to improve muscle tone and to prevent abnormally rapid and strong intestinal contractions. ...
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For other uses, see Ginger (disambiguation). ?Zingiber officinale Cons ...
Wikipedia - [full article]

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