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Potatoes - Watch out if you see green on your potatoes. This could be a sign that the potato is producing a toxin known as solanine that can be very harmful or even fatal if you eat enough of it.

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Nutmeg - Ingesting a significant quantity of this spice can lead to a condition known as nutmeg psychosis, which can kill you.

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Marshmallows -

The Chubby Bunny challenge includes stuffing as many marshmallows into your mouth as possible and can lead to choking and death.

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Rhubarb - While the stalks are perfectly safe, beware of the leaves. They contain oxalic acid and can be fatal if you digest enough of it.

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Blowfish - Considered a delicacy in Japan, this fish is extremely poisonous (10,000 times more poisonous than cyanide, as per the Guardian). Specialty chefs need to have a license in order to prepare the dangerous fish.

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Margarine - A Canadian study by McMaster University found that margarine increased mortality rates by 34%!

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Bean sprouts - Raw bean sprouts, sometimes used as a salad topper, are actually a very risky food to eat. They are a breeding ground for bacteria, including E. coli, salmonella, and listeria.

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Chicken - Cooking your chicken thoroughly is very important—meaning you shouldn't see any pink. Raw chicken can contain salmonella, which can lead to death. Chicken, unfortunately, has also been part of some contaminated food scandals in the US.

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Ghost pepper - This pepper, which is 400 times hotter than Tobasco, is so spicy that it can cause seizures or even a heart attack! However, that doesn't mean you should lay off the spicy food in general, as it may actually help you to live longer. 

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Tuna - Mercury poisoning is very possible if you excessively consume tuna, so monitor your intake.

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Bacon - Bacon and other processed meats have been linked to cancer.

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Cherries - Cherry pits contain cyanide, which can be fatal!

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Yuca - Also known as cassava root, yuca is a staple in many Latin American dishes. However if it's not prepared properly, the cyanide found on an unprocessed bitter cassava could kill you.

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Milk - Some people drink raw milk straight from the cow. This is a major hazard, as unpasteurized milk can lead to deadly infections, such as E. coli and listeria.

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Honey - If unpasteurized, honey contains poisonous toxins that can be lethal.

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Shellfish - Shellfish is a very common and potentially fatal allergy.

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Mushrooms - While mushrooms are common in soups and other dishes, some wild mushrooms can actually be highly poisonous.

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Almonds - Bitter almonds undergo a rigorous process for safe consumption. Otherwise, the cyanide they contain in their raw form could lead to death.

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Castor oil - The oil comes from the castor bean plant, which contains a highly potent toxin known as ricin.

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Cinnamon - The cinnamon challenge, involving swallowing a spoonful of the spice, was another internet sensation. It can lead to difficulty breathing, choking, or even a collapsed lung.

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Kidney beans -

Raw kidney beans contain phytohaemagglutinin, which can make you seriously ill and even lead to hospitalization.

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Hot dog - Hot dogs are a major choking hazard for kids under the age of 10.

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Peanuts - Another very common food allergy, peanuts can induce anaphylaxis, leading to trouble breathing, shock, and even loss of consciousness.

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Eggs - Make sure to cook eggs thoroughly, as raw eggs can also contain salmonella.

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Lima beans - Lima beans are another legume that must be cooked thoroughly. The raw version contains linamarin, which turns into cyanide when consumed.

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Tomatoes - While tomatoes are perfectly safe to consume, watch out for the stem and leaves as they contain alkali poisons. To be fatal, you'd have to eat a lot. Not to mention, they may be staining your teeth. 

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San-nakji - This traditional Korean dish involves eating a moving octopus! While the animal is dead when served, nerve activity causes the slimy critter to wiggle around posthumously. The active suction cups can get stuck in the throat and cause choking if consumed.

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Ackee - This fruit, native to West Africa, contains toxins that can lead to death if not fully ripened before consumption.

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Pequi - Native to Brazil, the fruit has sharp internal spines that can lodge themselves into your tongue, gums, and upper palate. Once stuck, they are extremely painful and difficult to remove.

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