Watch out for green potatoes. This may indicate that the potato is manufacturing solanine, a toxin that can be lethal if eaten in large amounts.
This fish is a Japanese delicacy but 10,000 times more toxic than cyanide, according to the Guardian. Specialty chefs must be licensed to cook risky fish.
Choking and death can result from the Chubby Bunny challenge of stuffing as many marshmallows as possible.
Raw bean sprouts, a common salad topping, are dangerous. They breed E. coli, salmonella, and listeria.
Many Latin American dishes use yuca, or cassava root. Unprocessed bitter cassava's cyanide can kill if not properly prepared.
Excessive tuna consumption can lead to mercury poisoning, so keep a close eye on your intake.
While the stalks are absolutely safe, be cautious with the leaves. They contain oxalic acid, which can be lethal if you consume enough of it.