| | |   Banana. Bananas are known for being high in potassium, which makes them slightly more radioactive than the average food (because some naturally occurring potassium is the radioactive potassium-40 isotope).
 Source: Walmart
 Contributor: Theodore Gray
 Acquired: 8 April, 2009
 Text Updated: 9 April, 2009
 Price: $0.50
 Size: 7"
 Purity: 0.36%
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