How much gas, or flatulence, is normal?
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Dr. Mehmet Oz answered:Gas, or flatulence, is caused by many factors. Watch as Dr. Oz demonstrates how gas, or flatulence, is made in the body in this video.
Gas, or flatulence, is caused by many factors. Watch as Dr. Oz demonstrates how gas, or flatulence, is made in the body in this video. More

