10 Unsuspecting Foods You Never Would Have Thought Were Deadly! ByAlthea September 11, 2014August 5, 2015 Health 7. Mushrooms These world-famous food ingredients are as fatal as they are popular. Nearly a hundred of its varieties are either known to possess toxic substances or have been associated with countless deaths. Pages: 1 2 3 4 5 6 7 8 9 10