Although officially recognized as a remedy for only the three problems listed above, Ginger Root has a proven ability to combat all forms of nausea and vomiting. It has also been taken to loosen phlegm, relieve gas, and tighten the tissues, although its effectiveness for these purposes hasn't been verified. Asian medicine also employs ginger root as a treatment for colds and shortness of breath.
Although there's no evidence that Ginger is harmful during pregnancy, officials recommend that it not be taken for morning sickness. People with gallstones should not use ginger root unless their doctor approves. Because of its anti-clotting properties, it should be avoided by anyone in danger of internal bleeding.
Valued primarily for the distinctive tang it lends to cuisine, Ginger Root also has proven medicinal effects. In one recent clinical trial among surgery patients, it proved more effective than the prescription drug Reglan in preventing postoperative nausea and vomiting. Ginger has been shown to stimulate the intestines and promote production of saliva, digestive juices, and bile. Ginger root also tends to boost the pumping action of the heart, prevent the formation of clots, reduce cholesterol levels, and fight inflammation. It may even have a stimulative effect on the immune system.
Native to southeast Asia, Ginger was brought to Spain, and then America, by the Spanish in the 15th and 16th centuries. It is now commercially cultivated in tropical regions of the United States, India, China, and the West Indies. The plant is a creeping perennial that spreads underground. Only the root is medicinal.

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