11 Most Dangerous Foods in the World

Elderberries. While elderberries are often used as a medicinal plant and found in homeopathy remedies to treat skin wounds and colds, the leaves, twigs and seeds contain a deadly chemical related to cyanide, which can cause severe illness and nausea if ingested. While some varieties are safe to eat, those that aren’t ripe or cooked properly can cause diarrhea and seizures.