We love us some berries, but the elderberry plant, used in medicinal syrups, sodas, and liquors can cause a severely upset stomach, so stay away from the stems and leaves.
Castor oil comes from the castor bean plant, which is loaded with the poison ricin. Make sure the beans your castor oil was made from adhered to all safety guidelines.
The puffer fish's skin and certain organs contain an extremely poisonous toxin that can paralyze a human and even cause death.
Be careful if you ever eat live octopus — the suction cups can get stuck to your throat if you don't chew thoroughly. And that does not sound pleasant.
This pear-shaped fruit needs to ripen fully, as it contains toxins that can lead to death. Importation of the raw fruit is banned in the U.S, but you can buy it canned.
If honey isn't pasteurized properly, eating it can lead to headaches, dizziness, weakness and vomiting — eating too much of it can be fatal.
These legumes are good for you, unless they're prepared incorrectly. Soak red kidney beans for several hours to remove lectins, which can kill the cells in your stomach
You've likely heard about the dangers of mercury poisoning, and that's a big reason why you should be careful of your raw tuna intake
You most likely already have nutmeg in your spice cabinet. Though it's great to have on-hand for baking, ingesting a significant amount can lead to psychotic symptoms like disorientation
Cashew shells carry anacardic acid which can cause burn your skin and cause an upset stomach. There's also the fact that cashews must be boiled or roasted before you eat them.