A 20-cent 'wonder drug' is being studied as a colon cancer-stopping supplement, and it looks promising

A 20-cent 'wonder drug' is being studied as a colon cancer-stopping supplement, and it looks promising

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/GettyMetformin is the most widely prescribed diabetes drug in the world.Scientists have noticed that people who take it may also get some colon cancer prevention benefits.Early research gives hints about how it might be used to help in colon cancer treatment.A chea…