There is some kind of carelessly food that can be very harmful for you. It can even kill you! In order to avoid poisoning you need to know how to prepare them. However, there are some foods that are natural toxic.
Mushrooms – about 6% of mushrooms are toxic. Their venom is fatal.
Rhubarb – green leaves contain oxalic acid. You can get kidney stones from them. Also, it can be fatal if you eat them in a larger quantity.
Apples – the seeds contain cyanide. There are chances to get poisoning if you eat them in a large quantities. Do not forget to discard seeds.
Tomatoes – leaf and green part on the fruit contains Tomatin. It is often used in a pest control. Persons suffering from rheumatism should avoid eating tomatoes.
Potatoes – contain higher amounts Glycoalkaloids poison. Deaths are rare, but they are recorded.
Brazil nuts – foods with the highest doses of natural radioactivity (800 times the concentration of the radioactive than in any other food).
Cherries – seeds contain cyanide. If you swallow a few seeds, you can expect to poison, increase in body temperature extremes, very difficult to breathing. Do not forget to discard seeds.
Nutmeg – known hallucinogen. It can lead to a psychosis which is associated with a sense of certain doom. Overdose can you violate psychological state.
Pufferfish – can lead to paralysis and death. Chefs train two to three years to learn how to prepare.