io9:

A dropped penny won’t kill you, alcohol doesn’t keep you warm, and swallowed gum doesn’t take seven years to digest. These are just three of the more than fifty rumors debunked in this compendious collection of common myths and misconceptions.

We’ve all heard many of these. We might even believe some of them are not myths. But, according to these guys, they all are. I knew most of them weren’t true but got caught by the one about bananas.