The hard pit at the centre of cherries contains prussic acid, also known as cyanide, which is toxic. To stay safe, avoid biting or crushing the pits while enjoying your cherries.
Apple seeds contain cyanide, making it unwise to consume. Even small doses of cyanide can lead to rapid breathing, seizures, and, in extreme cases, death.
Elderberries are often consumed as a syrup or supplement to support the immune system. However, unripe berries, bark, or leaves contain lectin and cyanide, which may lead to nausea, vomiting, and diarrhoea.
Consuming nutmeg in large quantities can be harmful due to its myristicin, an oil which may trigger hallucinations, drowsiness, dizziness, confusion, and even seizures.
When potatoes are exposed to light, damaged, or aged, they may develop a green tint, indicating a higher toxic compound called glycoalkaloid, which can lead to nausea, diarrhoea, confusion, headaches, and, in severe cases, even death.