The following is the 2021 Scientific Research Report on dietary guidelines for Chinese Residents From Chinese Nutrition Society recommended by recordtrend.com. And this article belongs to the classification: Life data, research report.
The report points out that since the founding of new China more than 70 years ago, China’s nutrition security and supply capacity have been significantly enhanced, the people’s health level has been continuously improved, the average life expectancy has increased from 35 to 77.3 years, and the malnutrition and physical development problems of residents have been continuously improved, mainly reflected in the adequate intake of dietary energy and macro nutrients, the increasing intake of high-quality protein, and the average health of residents The growth retardation rate of children under 5 years old in rural areas decreased significantly, which were the main contributions of adequate food supply and improved dietary quality.
Due to the imbalance of social and economic development, aging population and unhealthy diet and lifestyle, there are still some nutritional and health problems to be solved in China. First, the problem of dietary imbalance is prominent, which has become the main risk factor of chronic diseases. High oil and salt intake is still widespread in China. The consumption of sugary drinks among teenagers is increasing year by year, and the intake of whole grains, dark vegetables, fruits, milk, fish and shrimp and beans is generally insufficient. Second, the lifestyle of residents has changed significantly, the total amount of physical activity has decreased, the control of energy intake and consumption is unbalanced, overweight and obesity has become an important public health problem, and the problem of diet related chronic diseases is becoming more and more serious. Third, the development of urban and rural areas is unbalanced, and the rural food structure needs to be improved. The intake of milk, fruits, aquatic products and other foods in rural areas is still significantly lower than that in urban areas. Nutrition education, such as oil and salt intake and food diversification, is urgently needed to go to the grassroots level. Fourth, the nutritional problems of infants, pregnant women, the elderly and other key groups should receive special attention. Fifth, the problem of food waste is serious, and the nutritional quality of residents needs to be improved.
The report brings together and analyzes new evidence from dietary and health studies
Long term balanced diet is beneficial to related chronic diseases
On the basis of “food and health – scientific evidence consensus (2016)”, the working group updated the evidence in the past five years, collected more than 30 kinds of scientific research literature at home and abroad on different foods (and processed foods) and health, dietary patterns and health, physical activity and health, evaluated the evidence according to the World Health Organization (who) guidelines and the grade evaluation system, and put forward some suggestions on how to improve the scientific evidence in China We organized dozens of experts in nutrition, medicine, epidemiology and other disciplines to analyze and discuss, and comprehensively evaluated more than 200 scientific suggestions on food and health, dietary pattern and health, and scientific guidance on physical activity and health.
The report shows that with the development of social economy and the obvious changes of residents’ dietary patterns and lifestyles, there has been more evidence of the association between the excessive or low intake of various kinds of food and the risk of disease. The report summarizes the dietary factors associated with the reduction of the risk of main health outcomes, including whole grains, vegetables, fruits, soybeans and their products, milk and dairy products Its products, fish, nuts, drinking water (tea) and so on, the evidence level is B. The main dietary factors that can increase the risk of adverse health outcomes are: livestock meat, smoked meat, salt, drinking, sugary drinks, fat, etc. the evidence level is B or above.
The report also highlighted the importance of dietary patterns. In recent years, the relationship between diet and health has shifted from single nutrient or single food to the study of the relationship between dietary pattern and overall health status or disease risk. The balanced dietary pattern is designed according to the principles of nutrition science and the reference intake of dietary nutrients. Following a balanced diet for a long time is an important cornerstone of healthy longevity and prevention of diet related chronic diseases, and can reduce the risk of all-cause death. The results of the study on the effects of different dietary patterns on the health outcomes of Chinese population showed that the pattern of Jiangnan region, characterized by more vegetables and fruits, more fish and shrimp aquatic products, regular consumption of milk and soybean products, moderate amount of cereal, meat and poultry, light cooking and less salt, represented the Oriental healthy dietary pattern. In areas with these dietary characteristics, the risk of overweight and obesity, type 2 diabetes, metabolic syndrome and stroke is low.
The report also provides evidence that maintaining a healthy weight and physical activity are associated with health. There is evidence that too low or too high weight will have a significant impact on health, the evidence level is B. At present, there is sufficient evidence that insufficient physical activity can lead to excessive weight gain. More physical activity is not only conducive to maintaining a healthy weight, but also can reduce the risk of obesity, type 2 diabetes, cardiovascular disease and some cancers and the risk of all-cause death, and improve brain health. The recommended level is a.
The report collects and studies the key recommendations of dietary guidelines from all over the world
In the report, 46 English versions of dietary guidelines and 91 figures of dietary guidelines from different countries (regions) in the world were sorted out, and relevant key recommendations, food information and consumption guidance information were collected and studied. The ten keywords with the highest frequency in the guidelines are as follows: “vegetables / fruits”, “salt / sodium”, “fat”, “sugar”, “Sports”, “water”, “milk and products”, “grains”, “fish” and “food diversity”. Dietary guidelines around the world pay more and more attention to the balance, rationality and health of dietary patterns. Different regions and countries put forward different healthy dietary patterns according to their dietary characteristics, such as Mediterranean dietary pattern, dash dietary pattern, American healthy diet and so on. The report uses the method of literature review to describe the research results of the relationship between dietary patterns and health at home and abroad.
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