Vegetables stored for too long, in the event of decay and deterioration, nitrate reduction to nitrite, eating vegetables containing too much nitrite, can cause headache, abdominal pain, diarrhea, vomiting and other symptoms.

When it comes to the safety of vegetables, people always think of pesticide residues for the first time. But in fact, vegetables themselves have some components that are harmful to human body, some are born with them, some are caused by improper storage. Today, the editor of EP said that vegetables are poisonous.