What is the fine-grained topic of the following text: That is why “grass” (which in effect includes all natural resources: minerals, herbal remedies, dietary Supplements) and diet (which compensates for the deficiency in the body of the most essential elements, but also limits the intake of toxins in the body) are simple in principle and inexpensive method of treatment of cancer and other chronic diseases. Only return the topic.
Natural resources and diet as a treatment for chronic diseases.