Metformin is listed as one of the World Health Organization's "essential" medicines. The cheap, generic drug is seen as a global go-to for diabetes treatment.Francis Dean/Deanpictures/Getty Metformin ...

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A redundant or tortuous colon is an abnormally long colon that cannot fit inside the body without looping or twisting. There is no obvious cause, but it can lead to complications and gastrointestinal ...