It never ceases to amaze me that no one believes me when I tell them I avoid bananas because they're radioactive. Well, this fun little tidbit should make them happy.
From Nuclear Radiation and Health Effects comes this lovely line: "Since there is radioactivity in many foodstuffs, there has been a whimsical suggestion that the Banana Equivalent Dose from eating one banana be adopted for popular reference. This is about 0.0001 mSv."
So Mutants, go out and get your daily BED of radiation.