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Though widely used as an effective antidote to queasiness, it can also keep cholesterol levels under control, lower blood pressure, and help ease the inflammation associated with arthritis. Researchers have also found that ginger helps kill the influenza virus, plus it helps the immune system fight infection.
A study at the Miami Veterans Affairs Medical Center and the University of Miami found that ginger extract significantly reduced pain related to osteoarthritis of the knee.
About an ounce a day will bring benefits, Duke says. Using it in stir-fry dishes or meat marinades will give you enough to help. You can also grate gingerroot and steep it in hot boiling water to make an herbal tea.