Ginger might also help prevent morning sickness, but it should not be used for this purpose. The safety of ginger in pregnancy has not been proven.
There is also evidence that ginger can relieve joint pain and help movement in people who have rheumatoid arthritis. But ginger doesn't seem to be helpful for people with another kind of arthritis called osteoarthritis.
There isn't enough information to know if ginger is effective for the other conditions people use it for including: upset stomach, loss of appetite, colds, flu, and others.
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Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
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