7. Potatoes

Who doesn’t love potatoes? A potato is an underground stolon that bears edible starchy tubers and widely cultivated as a garden vegetable. Its vines are poisonous. Potatoes are eaten as a staple in many households, its leaves, stem and tuber contain glycoalkaloids which has been associated with diarrhea, headaches, confusion, cramps, and in rare cases coma and death.