The health of the old can be seriously affected by many factors like diet. A balanced and healthy diet can greatly improve the body health for the old. In order to help the old maintain their body health, the experts have proposed some dietary skills. 

First, coarse food and refined food should be collocated properly. The old usually have weak stomach and intestines and slack teeth. Therefore, they should choose digestible foods to maintain smooth digestion. What’s more, they should stop eating pure refined food. The refine food can not provide enough vitamins, mineral substances and dietary fibers for human body. Coarse foods, vegetables and fruits contain abundant dietary fibers. The adequate supplementation of dietary fibers can help people accelerate intestinal peristalsis and prevent constipation. The soluble dietary fibers can even improve blood sugar and metabolism of blood fat for the old. So, senile people should frequently eat coarse food and vegetables to prevent cardiovascular disease, diabetes and cancer.

Second, a balanced diet should be maintained. The absorption of vitamins and trace elements can enhance the functions of enzyme in human body. For example, vitamin E and carotene can effectively resist oxidation and eliminate free radicals to defer the aging for the old. The supplementation of minerals substances and protein can help the old improve memory and physical constitution. In order to supplement essential nutrients comprehensively, the old should maintain a balanced diet and frequently eat the foods including fresh vegetables, nuts, fruits, dairy products and eggs.

Third, soy bean products should be frequently eaten. The aging of human body is gradually caused by the oxidation of cytolipin in the body. Therefore, people should eat suitable foods to resist oxidation and defer the aging. The beneficial substances contained in soy bean can effectively resist oxidation. Therefore, the old should frequently eat soy bean products to restrain the oxidation of cytolipin and resist aging. In our daily life, the common soy bean products mainly include soy bean milk, tofu, pulse flour, broad bean paste, and so on.

The old should follow these three skills to improve the body health. In addition, some senile people are troubled by inappetence, osteoporosis and spinalgia. This is because the level of cholesterol is low and the normal metabolism has been affected. In order to get rid of such problems, the old can absorb a little lard oil. The beneficial substances contained in lard oil can prolong the life and prevent coronary heart disease for human body.