Shrimp and crab avoid vitamins. Foods such as shrimp and crab contain pentavalent arsenic compounds. If eaten with raw fruit containing vitamin C, arsenic will change and be converted into trivalent arsenic, which is highly toxic "arsenic" and very harmful. Long-term consumption will lead to human poisoning and decreased immunity.

In addition, pumpkins and shrimps: cause dysentery; Tomatoes and sweet potatoes: easy to get stones; Tomatoes and hairy crabs: cause diarrhea; Onions and honey: harm to eyes ...