Lymph on chicken neck has no effect if you eat it once in a while, but eating it for a long period of time may cause your body to take in too many toxins. There is no effect of eating lymph from chicken neck once in a while, but it is harmful to the body in the long run. The lymph on the neck of a chicken is easily burned during cooking, which produces benzo(a)pyrene, a substance that is harmful to the human body. Moreover, the lymph belongs to the detoxification glandular ducts, the toxins in the chicken body are gathered in the glandular ducts, long-term consumption of large quantities may lead to the body to ingest a large number of toxins. Don’t eat the lymph on the neck of the chicken in daily life, and if you have any discomfort, you should consult a doctor in time. In general, you should pay more attention to dietary diversity, try to eat fresh vegetables and fruits, eat less high salt and fried food, specific dietary advice can consult a physician or dietitian.