Most cancers are not inherited from parents, but there is an increased genetic susceptibility, and if parents have cancer, their children are more likely to develop cancer than the general population, and in some cases, several times more likely. However, it does not mean that the child will definitely inherit cancer if the parents have cancer, but it just means that the child is more likely to develop cancer. Genetic inheritance only accounts for a very small part of cancer occurrence. If parents have cancer, there is no need to worry too much, as long as they have good eating habits, and participate in physical exercise and weight control, the incidence of cancer will be significantly reduced.