Foods that can kill you Potatoes - Potato plant poisoning occurs when someone eats the green tubers or new sprouts of the potato plant. Solanine is a dangerous nerve toxin that is produced in any green part of the potato, that includes leaves, stems, and any green part of the potato. Ackee - Ackee is a tropical fruit native to West Africa and is the national fruit of Jamaica where it is also known for its toxin content named hypoglycin A and hypoglycin B. Hypoglycin A is found in both the seeds and the arils, while hypoglycin B is found only in the seeds. These toxin compounds are responsible for causing Ackee Fruit Toxicity or Jamaican Vomiting Sickness. Bitter Almonds -Sweet almonds may be safe to eat, but bitter almonds aren't. Bitter almonds are wild almonds and contain 50 times more cyanide per kilogram than sweet almonds, according to the 2013 study in ISRN Toxicology. Eating 50 bitter almonds can be deadly. If you've been exposed to a small amount of cyanide, you may experience dizziness, headaches, nausea, vomiting, rapid breathing and rapid heart rate. Rhubarb Leaves - Rhubarb leaves contain a poison, oxalic acid which is very harmful for any human body. Its stalks are only the eatable part which is used in many desserts or as an ingredients in many sweet dishes. If you consume its leaves then you may feel burning sensation in your mouth and throat, as well as difficulty breathing. Castor Beans - Castor beans contain ricin which is one of the most deadly naturally occurring chemical. It is reported that as few as 5 beans is enough to kill an adult human. These beans are carefully processed by manufacturer to extract castor oil which is used in many cosmetics, lotions, chocolate, candies and other foods. Elderberries - Elderberries are very popular in making wines, medicinal teas, jams and pies. These berries are also known for its poisonous content cyanide which lies in elderberry leaves and stems. Green elderberries or uncooked elderberries contain a poisonous alkaloid. Tomatoes - Ripe or red tomatoes are safe to eat and contain many nutrients which are essential for your health. But, if you consume green or unripe tomatoes and their leaves and stems in large quantity then you may suffer from severe illness or even death. As the green, unripe fruit of tomatoes, as well as the leaves, and stems, contain highest amounts of the poison alkaloid called tomatine and solanine. Cherries - Cherries are good for your health but if you chew or swallow their pits then they might put you in a real danger. Their pits contain cyanogenic glycosides, producing cyanide. The seeds, bark, and leaves contain a cyanide-producing compound called amygdalin. Red Kidney Beans - Red Kidney beans contain a sugar based glycoprotein called kidney bean lectin that if consumed raw or partially cooked, can produce symptoms similar to those of food poisoning. As few as 4 or 5 kidney beans can bring on symptoms within 1 to 3 hours. Symptoms include extreme nausea, vomiting, diarrhea, and abdominal pain. This toxin can be destroyed if red kidney beans are cooked at a high enough temperature and for the right length of time. Cinnamon - Cinnamon is one of the most important flavoring agents in food and drinks. Research reveals that coumarin is present, in substantial amounts in cinnamon flavored foods. Coumarin is very toxic to the liver and could cause severe damage to this organ.