The Most Dangerous Foods in the World Fugu, AKA Pufferfish. Kicking off the list of dangerous foods is the exotic Japanese delicacy, fugu, or pufferfish. ... Ackee fruit. Ackee, the national fruit of Jamaica, has been banned in its unripe form in the U.S. since 1973. ... Sannakji. ... Hákarl. ... Rhubarb. ... Cassava. ... Red kidney beans. Apr 25, 2021