Eating burnt things may cause cancer. When something is burnt, there may be more harmful substances, such as benzo(a)pyrene, and the nutrient content of the food will also be changed, and harmful gases will also appear. If you eat burnt food frequently, it may cause cancer, but if you eat it once in a while, there will not be any obvious discomfort, so you don’t need to be overly nervous. Usually it is best not to often eat burnt food, need to pay attention to personal dietary management, eat some light fruits and vegetables, good for the body. It is best not to eat fried, barbecued food, not only will cause irritation to the gastrointestinal tract, but also may induce other diseases.