Milk+chocolate: calcium in milk and oxalic acid in chocolate combine to form calcium oxalate, which will lead to dry hair, diarrhea, calcium deficiency and slow growth and development.
Saccharin+egg white: If eaten together, it will be poisoned, and in severe cases it will lead to death.
Coffee+cigarettes: easy to cause pancreatic cancer.
Pear+boiled water: Eating pears and drinking boiled water will cause diarrhea.
Potato+banana: eating together will lead to spots on the face.
Onion+honey: eating together will hurt your eyes, cause eye discomfort, and in severe cases, you will be blind.
Tomato+sweet potato (sweet potato): Eating together can lead to lithiasis, vomiting, abdominal pain and diarrhea.
Tomato+white wine: eating together will make you feel chest tightness and shortness of breath.
Spinach+tofu: oxalic acid in spinach and calcium in tofu form calcium oxalate, which makes calcium in human body unable to be absorbed.
Peanut+cucumber: easy to cause diarrhea.
Liquor+walnut: easy to cause blood fever, mild dry cough and severe nosebleeds.