Most people know that certain types of mushrooms can be deadly, especially if you're the author of 'The Horse Whisperer', Nicholas Evans, who recently found out the hard way. He tucked into the rare Cortinarius speciosissimus (Destroying Angels) which causes kidney failure.

The more common poisonings come from the Death Cap, and Deadly Webcap. Death Caps alone contain over seven toxins and one bite can lead to a rapid death.