Everyone knows that polar bears are dangerous. The liver of a polar bear is surely harmless though, right? Well, not exactly. Polar bear livers are packed with vitamin A – so much so that they can be fatal if consumed. Consumption of vitamin A is required to help regulate many bodily functions, but is deadly in high doses. Because their diet mainly consists of seals (which are also high in vitamin A), polar bears naturally accumulate a high concentration of vitamin A – much to the dismay of early Arctic explorers. Read full article here
